156978445420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{8719}}^1$

素因数の和:9239

約数の個数: 96

約数和(自身を含む): 345964953600

約数和(自身を除く): 188986508180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 409, 620, 710, 818, 1420, 1636, 2045, 2201, 4090, 4402, 8180, 8719, 8804, 11005, 12679, 17438, 22010, 25358, 29039, 34876, 43595, 44020, 50716, 58078, 63395, 87190, 116156, 126790, 145195, 174380, 253580, 270289, 290390, 540578, 580780, 619049, 900209, 1081156, 1238098, 1351445, 1800418, 2476196, 2702890, 3095245, 3566071, 3600836, 4501045, 5405780, 6190490, 7132142, 9002090, 12380980, 14264284, 17830355, 18004180, 19190519, 35660710, 38381038, 71321420, 76762076, 95952595, 110548201, 191905190, 221096402, 253191041, 383810380, 442192804, 506382082, 552741005, 1012764164, 1105482010, 1265955205, 2210964020, 2531910410, 5063820820, 7848922271, 15697844542, 31395689084, 39244611355, 78489222710, 156978445420]

約数ペア:

[(1, 156978445420), (2, 78489222710), (4, 39244611355), (5, 31395689084), (10, 15697844542), (20, 7848922271), (31, 5063820820), (62, 2531910410), (71, 2210964020), (124, 1265955205), (142, 1105482010), (155, 1012764164), (284, 552741005), (310, 506382082), (355, 442192804), (409, 383810380), (620, 253191041), (710, 221096402), (818, 191905190), (1420, 110548201), (1636, 95952595), (2045, 76762076), (2201, 71321420), (4090, 38381038), (4402, 35660710), (8180, 19190519), (8719, 18004180), (8804, 17830355), (11005, 14264284), (12679, 12380980), (17438, 9002090), (22010, 7132142), (25358, 6190490), (29039, 5405780), (34876, 4501045), (43595, 3600836), (44020, 3566071), (50716, 3095245), (58078, 2702890), (63395, 2476196), (87190, 1800418), (116156, 1351445), (126790, 1238098), (145195, 1081156), (174380, 900209), (253580, 619049), (270289, 580780), (290390, 540578)]