189981960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{226169}}^1$

素因数の和:226190

約数の個数: 64

約数和(自身を含む): 651369600

約数和(自身を除く): 461387640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 226169, 452338, 678507, 904676, 1130845, 1357014, 1583183, 1809352, 2261690, 2714028, 3166366, 3392535, 4523380, 4749549, 5428056, 6332732, 6785070, 7915915, 9046760, 9499098, 12665464, 13570140, 15831830, 18998196, 23747745, 27140280, 31663660, 37996392, 47495490, 63327320, 94990980, 189981960]

約数ペア:

[(1, 189981960), (2, 94990980), (3, 63327320), (4, 47495490), (5, 37996392), (6, 31663660), (7, 27140280), (8, 23747745), (10, 18998196), (12, 15831830), (14, 13570140), (15, 12665464), (20, 9499098), (21, 9046760), (24, 7915915), (28, 6785070), (30, 6332732), (35, 5428056), (40, 4749549), (42, 4523380), (56, 3392535), (60, 3166366), (70, 2714028), (84, 2261690), (105, 1809352), (120, 1583183), (140, 1357014), (168, 1130845), (210, 904676), (280, 678507), (420, 452338), (840, 226169)]