38435980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 57364340

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 170, 172, 187, 215, 220, 239, 340, 374, 430, 473, 478, 731, 748, 860, 935, 946, 956, 1195, 1462, 1870, 1892, 2365, 2390, 2629, 2924, 3655, 3740, 4063, 4730, 4780, 5258, 7310, 8041, 8126, 9460, 10277, 10516, 13145, 14620, 16082, 16252, 20315, 20554, 26290, 32164, 40205, 40630, 41108, 44693, 51385, 52580, 80410, 81260, 89386, 102770, 113047, 160820, 174709, 178772, 205540, 223465, 226094, 349418, 446930, 452188, 565235, 698836, 873545, 893860, 1130470, 1747090, 1921799, 2260940, 3494180, 3843598, 7687196, 9608995, 19217990, 38435980]

約数ペア:

[(1, 38435980), (2, 19217990), (4, 9608995), (5, 7687196), (10, 3843598), (11, 3494180), (17, 2260940), (20, 1921799), (22, 1747090), (34, 1130470), (43, 893860), (44, 873545), (55, 698836), (68, 565235), (85, 452188), (86, 446930), (110, 349418), (170, 226094), (172, 223465), (187, 205540), (215, 178772), (220, 174709), (239, 160820), (340, 113047), (374, 102770), (430, 89386), (473, 81260), (478, 80410), (731, 52580), (748, 51385), (860, 44693), (935, 41108), (946, 40630), (956, 40205), (1195, 32164), (1462, 26290), (1870, 20554), (1892, 20315), (2365, 16252), (2390, 16082), (2629, 14620), (2924, 13145), (3655, 10516), (3740, 10277), (4063, 9460), (4730, 8126), (4780, 8041), (5258, 7310)]