104496680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 240570000

約数和(自身を除く): 136073320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 178, 197, 298, 356, 394, 445, 596, 712, 745, 788, 890, 985, 1192, 1490, 1576, 1780, 1970, 2980, 3560, 3940, 5960, 7880, 13261, 17533, 26522, 29353, 35066, 53044, 58706, 66305, 70132, 87665, 106088, 117412, 132610, 140264, 146765, 175330, 234824, 265220, 293530, 350660, 530440, 587060, 701320, 1174120, 2612417, 5224834, 10449668, 13062085, 20899336, 26124170, 52248340, 104496680]

約数ペア:

[(1, 104496680), (2, 52248340), (4, 26124170), (5, 20899336), (8, 13062085), (10, 10449668), (20, 5224834), (40, 2612417), (89, 1174120), (149, 701320), (178, 587060), (197, 530440), (298, 350660), (356, 293530), (394, 265220), (445, 234824), (596, 175330), (712, 146765), (745, 140264), (788, 132610), (890, 117412), (985, 106088), (1192, 87665), (1490, 70132), (1576, 66305), (1780, 58706), (1970, 53044), (2980, 35066), (3560, 29353), (3940, 26522), (5960, 17533), (7880, 13261)]