214704220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631483}}^1$

素因数の和:631509

約数の個数: 24

約数和(自身を含む): 477401904

約数和(自身を除く): 262697684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 631483, 1262966, 2525932, 3157415, 6314830, 10735211, 12629660, 21470422, 42940844, 53676055, 107352110, 214704220]

約数ペア:

[(1, 214704220), (2, 107352110), (4, 53676055), (5, 42940844), (10, 21470422), (17, 12629660), (20, 10735211), (34, 6314830), (68, 3157415), (85, 2525932), (170, 1262966), (340, 631483)]