256440910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4297

約数の個数: 64

約数和(自身を含む): 548467200

約数和(自身を除く): 292026290

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 290, 319, 418, 551, 638, 1045, 1102, 1595, 2090, 2755, 3190, 4231, 5510, 6061, 8462, 12122, 21155, 30305, 42310, 46541, 60610, 80389, 93082, 122699, 160778, 232705, 245398, 401945, 465410, 613495, 803890, 884279, 1226990, 1349689, 1768558, 2331281, 2699378, 4421395, 4662562, 6748445, 8842790, 11656405, 13496890, 23312810, 25644091, 51288182, 128220455, 256440910]

約数ペア:

[(1, 256440910), (2, 128220455), (5, 51288182), (10, 25644091), (11, 23312810), (19, 13496890), (22, 11656405), (29, 8842790), (38, 6748445), (55, 4662562), (58, 4421395), (95, 2699378), (110, 2331281), (145, 1768558), (190, 1349689), (209, 1226990), (290, 884279), (319, 803890), (418, 613495), (551, 465410), (638, 401945), (1045, 245398), (1102, 232705), (1595, 160778), (2090, 122699), (2755, 93082), (3190, 80389), (4231, 60610), (5510, 46541), (6061, 42310), (8462, 30305), (12122, 21155)]