215683420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27581}}^1$

素因数の和:27630

約数の個数: 48

約数和(自身を含む): 500447808

約数和(自身を除く): 284764388

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 27581, 55162, 110324, 137905, 275810, 468877, 551620, 634363, 937754, 1268726, 1875508, 2344385, 2537452, 3171815, 4688770, 6343630, 9377540, 10784171, 12687260, 21568342, 43136684, 53920855, 107841710, 215683420]

約数ペア:

[(1, 215683420), (2, 107841710), (4, 53920855), (5, 43136684), (10, 21568342), (17, 12687260), (20, 10784171), (23, 9377540), (34, 6343630), (46, 4688770), (68, 3171815), (85, 2537452), (92, 2344385), (115, 1875508), (170, 1268726), (230, 937754), (340, 634363), (391, 551620), (460, 468877), (782, 275810), (1564, 137905), (1955, 110324), (3910, 55162), (7820, 27581)]