391589360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 938189952

約数和(自身を除く): 546600592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 277, 328, 410, 431, 554, 656, 820, 862, 1108, 1385, 1640, 1724, 2155, 2216, 2770, 3280, 3448, 4310, 4432, 5540, 6896, 8620, 11080, 11357, 17240, 17671, 22160, 22714, 34480, 35342, 45428, 56785, 70684, 88355, 90856, 113570, 119387, 141368, 176710, 181712, 227140, 238774, 282736, 353420, 454280, 477548, 596935, 706840, 908560, 955096, 1193870, 1413680, 1910192, 2387740, 4775480, 4894867, 9550960, 9789734, 19579468, 24474335, 39158936, 48948670, 78317872, 97897340, 195794680, 391589360]

約数ペア:

[(1, 391589360), (2, 195794680), (4, 97897340), (5, 78317872), (8, 48948670), (10, 39158936), (16, 24474335), (20, 19579468), (40, 9789734), (41, 9550960), (80, 4894867), (82, 4775480), (164, 2387740), (205, 1910192), (277, 1413680), (328, 1193870), (410, 955096), (431, 908560), (554, 706840), (656, 596935), (820, 477548), (862, 454280), (1108, 353420), (1385, 282736), (1640, 238774), (1724, 227140), (2155, 181712), (2216, 176710), (2770, 141368), (3280, 119387), (3448, 113570), (4310, 90856), (4432, 88355), (5540, 70684), (6896, 56785), (8620, 45428), (11080, 35342), (11357, 34480), (17240, 22714), (17671, 22160)]