1948211590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{7079}}^1$

素因数の和:7201

約数の個数: 64

約数和(自身を含む): 3960835200

約数和(自身を除く): 2012623610

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 130, 145, 146, 290, 365, 377, 730, 754, 949, 1885, 1898, 2117, 3770, 4234, 4745, 7079, 9490, 10585, 14158, 21170, 27521, 35395, 55042, 70790, 92027, 137605, 184054, 205291, 275210, 410582, 460135, 516767, 920270, 1026455, 1033534, 2052910, 2583835, 2668783, 5167670, 5337566, 6717971, 13343915, 13435942, 14986243, 26687830, 29972486, 33589855, 67179710, 74931215, 149862430, 194821159, 389642318, 974105795, 1948211590]

約数ペア:

[(1, 1948211590), (2, 974105795), (5, 389642318), (10, 194821159), (13, 149862430), (26, 74931215), (29, 67179710), (58, 33589855), (65, 29972486), (73, 26687830), (130, 14986243), (145, 13435942), (146, 13343915), (290, 6717971), (365, 5337566), (377, 5167670), (730, 2668783), (754, 2583835), (949, 2052910), (1885, 1033534), (1898, 1026455), (2117, 920270), (3770, 516767), (4234, 460135), (4745, 410582), (7079, 275210), (9490, 205291), (10585, 184054), (14158, 137605), (21170, 92027), (27521, 70790), (35395, 55042)]