256846070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 514031616

約数和(自身を除く): 257185546

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 127, 130, 235, 254, 331, 470, 611, 635, 662, 1222, 1270, 1651, 1655, 3055, 3302, 3310, 4303, 5969, 6110, 8255, 8606, 11938, 15557, 16510, 21515, 29845, 31114, 42037, 43030, 59690, 77597, 77785, 84074, 155194, 155570, 202241, 210185, 387985, 404482, 420370, 546481, 775970, 1011205, 1092962, 1975739, 2022410, 2732405, 3951478, 5464810, 9878695, 19757390, 25684607, 51369214, 128423035, 256846070]

約数ペア:

[(1, 256846070), (2, 128423035), (5, 51369214), (10, 25684607), (13, 19757390), (26, 9878695), (47, 5464810), (65, 3951478), (94, 2732405), (127, 2022410), (130, 1975739), (235, 1092962), (254, 1011205), (331, 775970), (470, 546481), (611, 420370), (635, 404482), (662, 387985), (1222, 210185), (1270, 202241), (1651, 155570), (1655, 155194), (3055, 84074), (3302, 77785), (3310, 77597), (4303, 59690), (5969, 43030), (6110, 42037), (8255, 31114), (8606, 29845), (11938, 21515), (15557, 16510)]