221701480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 689472000

約数和(自身を除く): 467770520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 113, 130, 140, 143, 154, 182, 196, 220, 226, 245, 260, 280, 286, 308, 343, 364, 385, 392, 440, 452, 455, 490, 520, 539, 565, 572, 616, 637, 686, 715, 728, 770, 791, 904, 910, 980, 1001, 1078, 1130, 1144, 1243, 1274, 1372, 1430, 1469, 1540, 1582, 1715, 1820, 1960, 2002, 2156, 2260, 2486, 2548, 2695, 2744, 2860, 2938, 3080, 3164, 3185, 3430, 3640, 3773, 3955, 4004, 4312, 4459, 4520, 4972, 5005, 5096, 5390, 5537, 5720, 5876, 6215, 6328, 6370, 6860, 7007, 7345, 7546, 7910, 8008, 8701, 8918, 9944, 10010, 10283, 10780, 11074, 11752, 12430, 12740, 13720, 14014, 14690, 15092, 15820, 16159, 17402, 17836, 18865, 20020, 20566, 21560, 22148, 22295, 24860, 25480, 27685, 28028, 29380, 30184, 31640, 32318, 34804, 35035, 35672, 37730, 38759, 40040, 41132, 43505, 44296, 44590, 49049, 49720, 51415, 55370, 56056, 58760, 60907, 64636, 69608, 70070, 71981, 75460, 77518, 80795, 82264, 87010, 89180, 98098, 102830, 110740, 113113, 121814, 129272, 140140, 143962, 150920, 155036, 161590, 174020, 178360, 193795, 196196, 205660, 221480, 226226, 243628, 245245, 280280, 287924, 304535, 310072, 323180, 348040, 359905, 387590, 392392, 411320, 426349, 452452, 487256, 490490, 503867, 565565, 575848, 609070, 646360, 719810, 775180, 791791, 852698, 904904, 980980, 1007734, 1131130, 1218140, 1439620, 1550360, 1583582, 1705396, 1961960, 2015468, 2131745, 2262260, 2436280, 2519335, 2879240, 3167164, 3410792, 3958955, 4030936, 4263490, 4524520, 5038670, 5542537, 6334328, 7917910, 8526980, 10077340, 11085074, 15835820, 17053960, 20154680, 22170148, 27712685, 31671640, 44340296, 55425370, 110850740, 221701480]

約数ペア:

[(1, 221701480), (2, 110850740), (4, 55425370), (5, 44340296), (7, 31671640), (8, 27712685), (10, 22170148), (11, 20154680), (13, 17053960), (14, 15835820), (20, 11085074), (22, 10077340), (26, 8526980), (28, 7917910), (35, 6334328), (40, 5542537), (44, 5038670), (49, 4524520), (52, 4263490), (55, 4030936), (56, 3958955), (65, 3410792), (70, 3167164), (77, 2879240), (88, 2519335), (91, 2436280), (98, 2262260), (104, 2131745), (110, 2015468), (113, 1961960), (130, 1705396), (140, 1583582), (143, 1550360), (154, 1439620), (182, 1218140), (196, 1131130), (220, 1007734), (226, 980980), (245, 904904), (260, 852698), (280, 791791), (286, 775180), (308, 719810), (343, 646360), (364, 609070), (385, 575848), (392, 565565), (440, 503867), (452, 490490), (455, 487256), (490, 452452), (520, 426349), (539, 411320), (565, 392392), (572, 387590), (616, 359905), (637, 348040), (686, 323180), (715, 310072), (728, 304535), (770, 287924), (791, 280280), (904, 245245), (910, 243628), (980, 226226), (1001, 221480), (1078, 205660), (1130, 196196), (1144, 193795), (1243, 178360), (1274, 174020), (1372, 161590), (1430, 155036), (1469, 150920), (1540, 143962), (1582, 140140), (1715, 129272), (1820, 121814), (1960, 113113), (2002, 110740), (2156, 102830), (2260, 98098), (2486, 89180), (2548, 87010), (2695, 82264), (2744, 80795), (2860, 77518), (2938, 75460), (3080, 71981), (3164, 70070), (3185, 69608), (3430, 64636), (3640, 60907), (3773, 58760), (3955, 56056), (4004, 55370), (4312, 51415), (4459, 49720), (4520, 49049), (4972, 44590), (5005, 44296), (5096, 43505), (5390, 41132), (5537, 40040), (5720, 38759), (5876, 37730), (6215, 35672), (6328, 35035), (6370, 34804), (6860, 32318), (7007, 31640), (7345, 30184), (7546, 29380), (7910, 28028), (8008, 27685), (8701, 25480), (8918, 24860), (9944, 22295), (10010, 22148), (10283, 21560), (10780, 20566), (11074, 20020), (11752, 18865), (12430, 17836), (12740, 17402), (13720, 16159), (14014, 15820), (14690, 15092)]