71380280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104971}}^1$

素因数の和:104999

約数の個数: 32

約数和(自身を含む): 170054640

約数和(自身を除く): 98674360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 104971, 209942, 419884, 524855, 839768, 1049710, 1784507, 2099420, 3569014, 4198840, 7138028, 8922535, 14276056, 17845070, 35690140, 71380280]

約数ペア:

[(1, 71380280), (2, 35690140), (4, 17845070), (5, 14276056), (8, 8922535), (10, 7138028), (17, 4198840), (20, 3569014), (34, 2099420), (40, 1784507), (68, 1049710), (85, 839768), (136, 524855), (170, 419884), (340, 209942), (680, 104971)]