219920820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 784465920

約数和(自身を除く): 564545100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 49, 57, 60, 62, 70, 76, 84, 93, 95, 98, 105, 114, 124, 127, 133, 140, 147, 155, 186, 190, 196, 210, 217, 228, 245, 254, 266, 285, 294, 310, 372, 380, 381, 399, 420, 434, 465, 490, 508, 532, 570, 588, 589, 620, 635, 651, 665, 735, 762, 798, 868, 889, 930, 931, 980, 1085, 1140, 1178, 1270, 1302, 1330, 1470, 1519, 1524, 1596, 1767, 1778, 1860, 1862, 1905, 1995, 2170, 2356, 2413, 2540, 2604, 2660, 2667, 2793, 2940, 2945, 3038, 3255, 3534, 3556, 3724, 3810, 3937, 3990, 4123, 4340, 4445, 4557, 4655, 4826, 5334, 5586, 5890, 6076, 6223, 6510, 7068, 7239, 7595, 7620, 7874, 7980, 8246, 8835, 8890, 9114, 9310, 9652, 10668, 11172, 11780, 11811, 12065, 12369, 12446, 13020, 13335, 13965, 14478, 15190, 15748, 16492, 16891, 17670, 17780, 18228, 18620, 18669, 19685, 20615, 22785, 23622, 24130, 24738, 24892, 26670, 27559, 27930, 28861, 28956, 30380, 31115, 33782, 35340, 36195, 37338, 39370, 41230, 45570, 47244, 48260, 49476, 50673, 53340, 55118, 55860, 57722, 59055, 61845, 62230, 67564, 72390, 74676, 74803, 78740, 82460, 82677, 84455, 86583, 91140, 93345, 101346, 110236, 115444, 118110, 118237, 123690, 124460, 137795, 144305, 144780, 149606, 165354, 168910, 173166, 186690, 192913, 202692, 224409, 236220, 236474, 247380, 253365, 275590, 288610, 299212, 330708, 337820, 346332, 354711, 373380, 374015, 385826, 413385, 432915, 448818, 472948, 506730, 523621, 551180, 577220, 578739, 591185, 709422, 748030, 771652, 826770, 865830, 897636, 964565, 1013460, 1047242, 1122045, 1157478, 1182370, 1418844, 1496060, 1570863, 1653540, 1731660, 1773555, 1929130, 2094484, 2244090, 2314956, 2364740, 2618105, 2893695, 3141726, 3547110, 3665347, 3858260, 4488180, 5236210, 5787390, 6283452, 7094220, 7330694, 7854315, 10472420, 10996041, 11574780, 14661388, 15708630, 18326735, 21992082, 31417260, 36653470, 43984164, 54980205, 73306940, 109960410, 219920820]

約数ペア:

[(1, 219920820), (2, 109960410), (3, 73306940), (4, 54980205), (5, 43984164), (6, 36653470), (7, 31417260), (10, 21992082), (12, 18326735), (14, 15708630), (15, 14661388), (19, 11574780), (20, 10996041), (21, 10472420), (28, 7854315), (30, 7330694), (31, 7094220), (35, 6283452), (38, 5787390), (42, 5236210), (49, 4488180), (57, 3858260), (60, 3665347), (62, 3547110), (70, 3141726), (76, 2893695), (84, 2618105), (93, 2364740), (95, 2314956), (98, 2244090), (105, 2094484), (114, 1929130), (124, 1773555), (127, 1731660), (133, 1653540), (140, 1570863), (147, 1496060), (155, 1418844), (186, 1182370), (190, 1157478), (196, 1122045), (210, 1047242), (217, 1013460), (228, 964565), (245, 897636), (254, 865830), (266, 826770), (285, 771652), (294, 748030), (310, 709422), (372, 591185), (380, 578739), (381, 577220), (399, 551180), (420, 523621), (434, 506730), (465, 472948), (490, 448818), (508, 432915), (532, 413385), (570, 385826), (588, 374015), (589, 373380), (620, 354711), (635, 346332), (651, 337820), (665, 330708), (735, 299212), (762, 288610), (798, 275590), (868, 253365), (889, 247380), (930, 236474), (931, 236220), (980, 224409), (1085, 202692), (1140, 192913), (1178, 186690), (1270, 173166), (1302, 168910), (1330, 165354), (1470, 149606), (1519, 144780), (1524, 144305), (1596, 137795), (1767, 124460), (1778, 123690), (1860, 118237), (1862, 118110), (1905, 115444), (1995, 110236), (2170, 101346), (2356, 93345), (2413, 91140), (2540, 86583), (2604, 84455), (2660, 82677), (2667, 82460), (2793, 78740), (2940, 74803), (2945, 74676), (3038, 72390), (3255, 67564), (3534, 62230), (3556, 61845), (3724, 59055), (3810, 57722), (3937, 55860), (3990, 55118), (4123, 53340), (4340, 50673), (4445, 49476), (4557, 48260), (4655, 47244), (4826, 45570), (5334, 41230), (5586, 39370), (5890, 37338), (6076, 36195), (6223, 35340), (6510, 33782), (7068, 31115), (7239, 30380), (7595, 28956), (7620, 28861), (7874, 27930), (7980, 27559), (8246, 26670), (8835, 24892), (8890, 24738), (9114, 24130), (9310, 23622), (9652, 22785), (10668, 20615), (11172, 19685), (11780, 18669), (11811, 18620), (12065, 18228), (12369, 17780), (12446, 17670), (13020, 16891), (13335, 16492), (13965, 15748), (14478, 15190)]