153894490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3389}}^1$

素因数の和:3654

約数の個数: 32

約数和(自身を含む): 292896000

約数和(自身を除く): 139001510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 478, 1195, 2390, 3389, 4541, 6778, 9082, 16945, 22705, 33890, 45410, 64391, 128782, 321955, 643910, 809971, 1619942, 4049855, 8099710, 15389449, 30778898, 76947245, 153894490]

約数ペア:

[(1, 153894490), (2, 76947245), (5, 30778898), (10, 15389449), (19, 8099710), (38, 4049855), (95, 1619942), (190, 809971), (239, 643910), (478, 321955), (1195, 128782), (2390, 64391), (3389, 45410), (4541, 33890), (6778, 22705), (9082, 16945)]