290366920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1753}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 676272240

約数和(自身を除く): 385905320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 808, 820, 1010, 1640, 1753, 2020, 3506, 4040, 4141, 7012, 8282, 8765, 14024, 16564, 17530, 20705, 33128, 35060, 41410, 70120, 71873, 82820, 143746, 165640, 177053, 287492, 354106, 359365, 574984, 708212, 718730, 885265, 1416424, 1437460, 1770530, 2874920, 3541060, 7082120, 7259173, 14518346, 29036692, 36295865, 58073384, 72591730, 145183460, 290366920]

約数ペア:

[(1, 290366920), (2, 145183460), (4, 72591730), (5, 58073384), (8, 36295865), (10, 29036692), (20, 14518346), (40, 7259173), (41, 7082120), (82, 3541060), (101, 2874920), (164, 1770530), (202, 1437460), (205, 1416424), (328, 885265), (404, 718730), (410, 708212), (505, 574984), (808, 359365), (820, 354106), (1010, 287492), (1640, 177053), (1753, 165640), (2020, 143746), (3506, 82820), (4040, 71873), (4141, 70120), (7012, 41410), (8282, 35060), (8765, 33128), (14024, 20705), (16564, 17530)]