7131477980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{5897}}^1$

素因数の和:6179

約数の個数: 96

約数和(自身を含む): 17122129920

約数和(自身を除く): 9990651940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 239, 253, 460, 478, 506, 956, 1012, 1195, 1265, 2390, 2530, 2629, 4780, 5060, 5258, 5497, 5897, 10516, 10994, 11794, 13145, 21988, 23588, 26290, 27485, 29485, 52580, 54970, 58970, 60467, 64867, 109940, 117940, 120934, 129734, 135631, 241868, 259468, 271262, 302335, 324335, 542524, 604670, 648670, 678155, 1209340, 1297340, 1356310, 1409383, 1491941, 2712620, 2818766, 2983882, 5637532, 5967764, 7046915, 7459705, 14093830, 14919410, 15503213, 28187660, 29838820, 31006426, 32415809, 62012852, 64831618, 77516065, 129663236, 155032130, 162079045, 310064260, 324158090, 356573899, 648316180, 713147798, 1426295596, 1782869495, 3565738990, 7131477980]

約数ペア:

[(1, 7131477980), (2, 3565738990), (4, 1782869495), (5, 1426295596), (10, 713147798), (11, 648316180), (20, 356573899), (22, 324158090), (23, 310064260), (44, 162079045), (46, 155032130), (55, 129663236), (92, 77516065), (110, 64831618), (115, 62012852), (220, 32415809), (230, 31006426), (239, 29838820), (253, 28187660), (460, 15503213), (478, 14919410), (506, 14093830), (956, 7459705), (1012, 7046915), (1195, 5967764), (1265, 5637532), (2390, 2983882), (2530, 2818766), (2629, 2712620), (4780, 1491941), (5060, 1409383), (5258, 1356310), (5497, 1297340), (5897, 1209340), (10516, 678155), (10994, 648670), (11794, 604670), (13145, 542524), (21988, 324335), (23588, 302335), (26290, 271262), (27485, 259468), (29485, 241868), (52580, 135631), (54970, 129734), (58970, 120934), (60467, 117940), (64867, 109940)]