199907640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1319}}^1$

素因数の和:1757

約数の個数: 96

約数和(自身を含む): 651736800

約数和(自身を除く): 451829160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 421, 842, 1263, 1319, 1684, 2105, 2526, 2638, 3368, 3789, 3957, 4210, 5052, 5276, 6315, 6595, 7578, 7914, 8420, 10104, 10552, 11871, 12630, 13190, 15156, 15828, 16840, 18945, 19785, 23742, 25260, 26380, 30312, 31656, 37890, 39570, 47484, 50520, 52760, 59355, 75780, 79140, 94968, 118710, 151560, 158280, 237420, 474840, 555299, 1110598, 1665897, 2221196, 2776495, 3331794, 4442392, 4997691, 5552990, 6663588, 8329485, 9995382, 11105980, 13327176, 16658970, 19990764, 22211960, 24988455, 33317940, 39981528, 49976910, 66635880, 99953820, 199907640]

約数ペア:

[(1, 199907640), (2, 99953820), (3, 66635880), (4, 49976910), (5, 39981528), (6, 33317940), (8, 24988455), (9, 22211960), (10, 19990764), (12, 16658970), (15, 13327176), (18, 11105980), (20, 9995382), (24, 8329485), (30, 6663588), (36, 5552990), (40, 4997691), (45, 4442392), (60, 3331794), (72, 2776495), (90, 2221196), (120, 1665897), (180, 1110598), (360, 555299), (421, 474840), (842, 237420), (1263, 158280), (1319, 151560), (1684, 118710), (2105, 94968), (2526, 79140), (2638, 75780), (3368, 59355), (3789, 52760), (3957, 50520), (4210, 47484), (5052, 39570), (5276, 37890), (6315, 31656), (6595, 30312), (7578, 26380), (7914, 25260), (8420, 23742), (10104, 19785), (10552, 18945), (11871, 16840), (12630, 15828), (13190, 15156)]