157046998120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{420857}}^1$

素因数の和:421378

約数の個数: 64

約数和(自身を含む): 372711844800

約数和(自身を除く): 215664846680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 491, 760, 982, 1964, 2455, 3928, 4910, 9329, 9820, 18658, 19640, 37316, 46645, 74632, 93290, 186580, 373160, 420857, 841714, 1683428, 2104285, 3366856, 4208570, 7996283, 8417140, 15992566, 16834280, 31985132, 39981415, 63970264, 79962830, 159925660, 206640787, 319851320, 413281574, 826563148, 1033203935, 1653126296, 2066407870, 3926174953, 4132815740, 7852349906, 8265631480, 15704699812, 19630874765, 31409399624, 39261749530, 78523499060, 157046998120]

約数ペア:

[(1, 157046998120), (2, 78523499060), (4, 39261749530), (5, 31409399624), (8, 19630874765), (10, 15704699812), (19, 8265631480), (20, 7852349906), (38, 4132815740), (40, 3926174953), (76, 2066407870), (95, 1653126296), (152, 1033203935), (190, 826563148), (380, 413281574), (491, 319851320), (760, 206640787), (982, 159925660), (1964, 79962830), (2455, 63970264), (3928, 39981415), (4910, 31985132), (9329, 16834280), (9820, 15992566), (18658, 8417140), (19640, 7996283), (37316, 4208570), (46645, 3366856), (74632, 2104285), (93290, 1683428), (186580, 841714), (373160, 420857)]