221410420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 661893120

約数和(自身を除く): 440482700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 23, 28, 35, 38, 44, 46, 47, 49, 55, 70, 76, 77, 92, 94, 95, 98, 110, 115, 133, 140, 154, 161, 188, 190, 196, 209, 220, 230, 235, 245, 253, 266, 308, 322, 329, 380, 385, 418, 437, 460, 470, 490, 506, 517, 532, 539, 644, 658, 665, 770, 805, 836, 874, 893, 931, 940, 980, 1012, 1034, 1045, 1078, 1081, 1127, 1265, 1316, 1330, 1463, 1540, 1610, 1645, 1748, 1771, 1786, 1862, 2068, 2090, 2156, 2162, 2185, 2254, 2303, 2530, 2585, 2660, 2695, 2926, 3059, 3220, 3290, 3542, 3572, 3619, 3724, 4180, 4324, 4370, 4465, 4508, 4606, 4655, 4807, 5060, 5170, 5390, 5405, 5635, 5852, 6118, 6251, 6580, 7084, 7238, 7315, 7567, 8740, 8855, 8930, 9212, 9310, 9614, 9823, 10241, 10340, 10780, 10810, 11270, 11515, 11891, 12236, 12397, 12502, 14476, 14630, 15134, 15295, 17710, 17860, 18095, 18620, 19228, 19646, 20482, 20539, 21413, 21620, 22540, 23030, 23782, 24035, 24794, 25004, 25333, 29260, 30268, 30590, 31255, 33649, 35420, 36190, 37835, 39292, 40964, 41078, 42826, 43757, 46060, 47564, 48070, 49115, 49588, 50666, 51205, 52969, 59455, 61180, 61985, 62510, 67298, 68761, 72380, 75670, 82156, 83237, 85652, 87514, 96140, 98230, 101332, 102410, 102695, 105938, 107065, 118910, 123970, 125020, 126665, 134596, 137522, 143773, 151340, 166474, 168245, 175028, 196460, 204820, 205390, 211876, 214130, 218785, 225929, 235543, 237820, 247940, 253330, 264845, 275044, 287546, 332948, 336490, 343805, 410780, 416185, 428260, 437570, 451858, 471086, 481327, 506660, 529690, 575092, 582659, 672980, 687610, 718865, 832370, 875140, 903716, 942172, 962654, 1006411, 1059380, 1129645, 1165318, 1177715, 1375220, 1437730, 1581503, 1664740, 1925308, 2012822, 2259290, 2330636, 2355430, 2406635, 2875460, 2913295, 3163006, 4025644, 4518580, 4710860, 4813270, 5032055, 5826590, 6326012, 7907515, 9626540, 10064110, 11070521, 11653180, 15815030, 20128220, 22141042, 31630060, 44282084, 55352605, 110705210, 221410420]

約数ペア:

[(1, 221410420), (2, 110705210), (4, 55352605), (5, 44282084), (7, 31630060), (10, 22141042), (11, 20128220), (14, 15815030), (19, 11653180), (20, 11070521), (22, 10064110), (23, 9626540), (28, 7907515), (35, 6326012), (38, 5826590), (44, 5032055), (46, 4813270), (47, 4710860), (49, 4518580), (55, 4025644), (70, 3163006), (76, 2913295), (77, 2875460), (92, 2406635), (94, 2355430), (95, 2330636), (98, 2259290), (110, 2012822), (115, 1925308), (133, 1664740), (140, 1581503), (154, 1437730), (161, 1375220), (188, 1177715), (190, 1165318), (196, 1129645), (209, 1059380), (220, 1006411), (230, 962654), (235, 942172), (245, 903716), (253, 875140), (266, 832370), (308, 718865), (322, 687610), (329, 672980), (380, 582659), (385, 575092), (418, 529690), (437, 506660), (460, 481327), (470, 471086), (490, 451858), (506, 437570), (517, 428260), (532, 416185), (539, 410780), (644, 343805), (658, 336490), (665, 332948), (770, 287546), (805, 275044), (836, 264845), (874, 253330), (893, 247940), (931, 237820), (940, 235543), (980, 225929), (1012, 218785), (1034, 214130), (1045, 211876), (1078, 205390), (1081, 204820), (1127, 196460), (1265, 175028), (1316, 168245), (1330, 166474), (1463, 151340), (1540, 143773), (1610, 137522), (1645, 134596), (1748, 126665), (1771, 125020), (1786, 123970), (1862, 118910), (2068, 107065), (2090, 105938), (2156, 102695), (2162, 102410), (2185, 101332), (2254, 98230), (2303, 96140), (2530, 87514), (2585, 85652), (2660, 83237), (2695, 82156), (2926, 75670), (3059, 72380), (3220, 68761), (3290, 67298), (3542, 62510), (3572, 61985), (3619, 61180), (3724, 59455), (4180, 52969), (4324, 51205), (4370, 50666), (4465, 49588), (4508, 49115), (4606, 48070), (4655, 47564), (4807, 46060), (5060, 43757), (5170, 42826), (5390, 41078), (5405, 40964), (5635, 39292), (5852, 37835), (6118, 36190), (6251, 35420), (6580, 33649), (7084, 31255), (7238, 30590), (7315, 30268), (7567, 29260), (8740, 25333), (8855, 25004), (8930, 24794), (9212, 24035), (9310, 23782), (9614, 23030), (9823, 22540), (10241, 21620), (10340, 21413), (10780, 20539), (10810, 20482), (11270, 19646), (11515, 19228), (11891, 18620), (12236, 18095), (12397, 17860), (12502, 17710), (14476, 15295), (14630, 15134)]