156937808140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1284901}}^1$

素因数の和:1285138

約数の個数: 48

約数和(自身を含む): 341927841024

約数和(自身を除く): 184990032884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1970, 3940, 6107, 12214, 24428, 30535, 61070, 122140, 1284901, 2569802, 5139604, 6424505, 12849010, 25698020, 39831931, 79663862, 159327724, 199159655, 253125497, 398319310, 506250994, 796638620, 1012501988, 1265627485, 2531254970, 5062509940, 7846890407, 15693780814, 31387561628, 39234452035, 78468904070, 156937808140]

約数ペア:

[(1, 156937808140), (2, 78468904070), (4, 39234452035), (5, 31387561628), (10, 15693780814), (20, 7846890407), (31, 5062509940), (62, 2531254970), (124, 1265627485), (155, 1012501988), (197, 796638620), (310, 506250994), (394, 398319310), (620, 253125497), (788, 199159655), (985, 159327724), (1970, 79663862), (3940, 39831931), (6107, 25698020), (12214, 12849010), (24428, 6424505), (30535, 5139604), (61070, 2569802), (122140, 1284901)]