71494220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1213}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 172135488

約数和(自身を除く): 100641268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1213, 1684, 2105, 2426, 2947, 4210, 4852, 5894, 6065, 8420, 8491, 11788, 12130, 14735, 16982, 24260, 29470, 33964, 42455, 58940, 84910, 169820, 510673, 1021346, 2042692, 2553365, 3574711, 5106730, 7149422, 10213460, 14298844, 17873555, 35747110, 71494220]

約数ペア:

[(1, 71494220), (2, 35747110), (4, 17873555), (5, 14298844), (7, 10213460), (10, 7149422), (14, 5106730), (20, 3574711), (28, 2553365), (35, 2042692), (70, 1021346), (140, 510673), (421, 169820), (842, 84910), (1213, 58940), (1684, 42455), (2105, 33964), (2426, 29470), (2947, 24260), (4210, 16982), (4852, 14735), (5894, 12130), (6065, 11788), (8420, 8491)]