89446980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{212969}}^1$

素因数の和:212988

約数の個数: 48

約数和(自身を含む): 286231680

約数和(自身を除く): 196784700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 212969, 425938, 638907, 851876, 1064845, 1277814, 1490783, 2129690, 2555628, 2981566, 3194535, 4259380, 4472349, 5963132, 6389070, 7453915, 8944698, 12778140, 14907830, 17889396, 22361745, 29815660, 44723490, 89446980]

約数ペア:

[(1, 89446980), (2, 44723490), (3, 29815660), (4, 22361745), (5, 17889396), (6, 14907830), (7, 12778140), (10, 8944698), (12, 7453915), (14, 6389070), (15, 5963132), (20, 4472349), (21, 4259380), (28, 3194535), (30, 2981566), (35, 2555628), (42, 2129690), (60, 1490783), (70, 1277814), (84, 1064845), (105, 851876), (140, 638907), (210, 425938), (420, 212969)]