904001860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{11923}}^1$

素因数の和:12172

約数の個数: 48

約数和(自身を含む): 2019257856

約数和(自身を除く): 1115255996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 340, 446, 892, 1115, 2230, 3791, 4460, 7582, 11923, 15164, 18955, 23846, 37910, 47692, 59615, 75820, 119230, 202691, 238460, 405382, 810764, 1013455, 2026910, 2658829, 4053820, 5317658, 10635316, 13294145, 26588290, 45200093, 53176580, 90400186, 180800372, 226000465, 452000930, 904001860]

約数ペア:

[(1, 904001860), (2, 452000930), (4, 226000465), (5, 180800372), (10, 90400186), (17, 53176580), (20, 45200093), (34, 26588290), (68, 13294145), (85, 10635316), (170, 5317658), (223, 4053820), (340, 2658829), (446, 2026910), (892, 1013455), (1115, 810764), (2230, 405382), (3791, 238460), (4460, 202691), (7582, 119230), (11923, 75820), (15164, 59615), (18955, 47692), (23846, 37910)]