72927620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 163150848

約数和(自身を除く): 90223228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1123, 1910, 2246, 3247, 3820, 4492, 5615, 6494, 11230, 12988, 16235, 19091, 22460, 32470, 38182, 64940, 76364, 95455, 190910, 214493, 381820, 428986, 857972, 1072465, 2144930, 3646381, 4289860, 7292762, 14585524, 18231905, 36463810, 72927620]

約数ペア:

[(1, 72927620), (2, 36463810), (4, 18231905), (5, 14585524), (10, 7292762), (17, 4289860), (20, 3646381), (34, 2144930), (68, 1072465), (85, 857972), (170, 428986), (191, 381820), (340, 214493), (382, 190910), (764, 95455), (955, 76364), (1123, 64940), (1910, 38182), (2246, 32470), (3247, 22460), (3820, 19091), (4492, 16235), (5615, 12988), (6494, 11230)]