1666268840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2192459}}^1$

素因数の和:2192489

約数の個数: 32

約数和(自身を含む): 3946428000

約数和(自身を除く): 2280159160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2192459, 4384918, 8769836, 10962295, 17539672, 21924590, 41656721, 43849180, 83313442, 87698360, 166626884, 208283605, 333253768, 416567210, 833134420, 1666268840]

約数ペア:

[(1, 1666268840), (2, 833134420), (4, 416567210), (5, 333253768), (8, 208283605), (10, 166626884), (19, 87698360), (20, 83313442), (38, 43849180), (40, 41656721), (76, 21924590), (95, 17539672), (152, 10962295), (190, 8769836), (380, 4384918), (760, 2192459)]