9971860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 22438080

約数和(自身を除く): 12466220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 211, 278, 340, 422, 556, 695, 844, 1055, 1390, 2110, 2363, 2780, 3587, 4220, 4726, 7174, 9452, 11815, 14348, 17935, 23630, 29329, 35870, 47260, 58658, 71740, 117316, 146645, 293290, 498593, 586580, 997186, 1994372, 2492965, 4985930, 9971860]

約数ペア:

[(1, 9971860), (2, 4985930), (4, 2492965), (5, 1994372), (10, 997186), (17, 586580), (20, 498593), (34, 293290), (68, 146645), (85, 117316), (139, 71740), (170, 58658), (211, 47260), (278, 35870), (340, 29329), (422, 23630), (556, 17935), (695, 14348), (844, 11815), (1055, 9452), (1390, 7174), (2110, 4726), (2363, 4220), (2780, 3587)]