174949840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 441378000

約数和(自身を除く): 266428160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 520, 596, 745, 1040, 1129, 1192, 1490, 1937, 2258, 2384, 2980, 3874, 4516, 5645, 5960, 7748, 9032, 9685, 11290, 11920, 14677, 15496, 18064, 19370, 22580, 29354, 30992, 38740, 45160, 58708, 73385, 77480, 90320, 117416, 146770, 154960, 168221, 234832, 293540, 336442, 587080, 672884, 841105, 1174160, 1345768, 1682210, 2186873, 2691536, 3364420, 4373746, 6728840, 8747492, 10934365, 13457680, 17494984, 21868730, 34989968, 43737460, 87474920, 174949840]

約数ペア:

[(1, 174949840), (2, 87474920), (4, 43737460), (5, 34989968), (8, 21868730), (10, 17494984), (13, 13457680), (16, 10934365), (20, 8747492), (26, 6728840), (40, 4373746), (52, 3364420), (65, 2691536), (80, 2186873), (104, 1682210), (130, 1345768), (149, 1174160), (208, 841105), (260, 672884), (298, 587080), (520, 336442), (596, 293540), (745, 234832), (1040, 168221), (1129, 154960), (1192, 146770), (1490, 117416), (1937, 90320), (2258, 77480), (2384, 73385), (2980, 58708), (3874, 45160), (4516, 38740), (5645, 30992), (5960, 29354), (7748, 22580), (9032, 19370), (9685, 18064), (11290, 15496), (11920, 14677)]