1277693800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{104729}}^1$

素因数の和:104806

約数の個数: 48

約数和(自身を含む): 3019365900

約数和(自身を除く): 1741672100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 104729, 209458, 418916, 523645, 837832, 1047290, 2094580, 2618225, 4189160, 5236450, 6388469, 10472900, 12776938, 20945800, 25553876, 31942345, 51107752, 63884690, 127769380, 159711725, 255538760, 319423450, 638846900, 1277693800]

約数ペア:

[(1, 1277693800), (2, 638846900), (4, 319423450), (5, 255538760), (8, 159711725), (10, 127769380), (20, 63884690), (25, 51107752), (40, 31942345), (50, 25553876), (61, 20945800), (100, 12776938), (122, 10472900), (200, 6388469), (244, 5236450), (305, 4189160), (488, 2618225), (610, 2094580), (1220, 1047290), (1525, 837832), (2440, 523645), (3050, 418916), (6100, 209458), (12200, 104729)]