1218996930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{489557}}^1$

素因数の和:489650

約数の個数: 32

約数和(自身を含む): 2960846784

約数和(自身を除く): 1741849854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 489557, 979114, 1468671, 2447785, 2937342, 4895570, 7343355, 14686710, 40633231, 81266462, 121899693, 203166155, 243799386, 406332310, 609498465, 1218996930]

約数ペア:

[(1, 1218996930), (2, 609498465), (3, 406332310), (5, 243799386), (6, 203166155), (10, 121899693), (15, 81266462), (30, 40633231), (83, 14686710), (166, 7343355), (249, 4895570), (415, 2937342), (498, 2447785), (830, 1468671), (1245, 979114), (2490, 489557)]