181898980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{5297}}^1$

素因数の和:5424

約数の個数: 48

約数和(自身を含む): 408539376

約数和(自身を除く): 226640396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 5297, 6868, 8585, 10594, 17170, 21188, 26485, 34340, 52970, 90049, 105940, 180098, 360196, 450245, 534997, 900490, 1069994, 1800980, 2139988, 2674985, 5349970, 9094949, 10699940, 18189898, 36379796, 45474745, 90949490, 181898980]

約数ペア:

[(1, 181898980), (2, 90949490), (4, 45474745), (5, 36379796), (10, 18189898), (17, 10699940), (20, 9094949), (34, 5349970), (68, 2674985), (85, 2139988), (101, 1800980), (170, 1069994), (202, 900490), (340, 534997), (404, 450245), (505, 360196), (1010, 180098), (1717, 105940), (2020, 90049), (3434, 52970), (5297, 34340), (6868, 26485), (8585, 21188), (10594, 17170)]