158805250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 307647288

約数和(自身を除く): 148842038

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 661, 775, 961, 1322, 1550, 1922, 3305, 3875, 4805, 6610, 7750, 9610, 16525, 20491, 24025, 33050, 40982, 48050, 82625, 102455, 120125, 165250, 204910, 240250, 512275, 635221, 1024550, 1270442, 2561375, 3176105, 5122750, 6352210, 15880525, 31761050, 79402625, 158805250]

約数ペア:

[(1, 158805250), (2, 79402625), (5, 31761050), (10, 15880525), (25, 6352210), (31, 5122750), (50, 3176105), (62, 2561375), (125, 1270442), (155, 1024550), (250, 635221), (310, 512275), (661, 240250), (775, 204910), (961, 165250), (1322, 120125), (1550, 102455), (1922, 82625), (3305, 48050), (3875, 40982), (4805, 33050), (6610, 24025), (7750, 20491), (9610, 16525)]