390315660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{929323}}^1$

素因数の和:929342

約数の個数: 48

約数和(自身を含む): 1249011456

約数和(自身を除く): 858695796

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, 929323, 1858646, 2787969, 3717292, 4646615, 5575938, 6505261, 9293230, 11151876, 13010522, 13939845, 18586460, 19515783, 26021044, 27879690, 32526305, 39031566, 55759380, 65052610, 78063132, 97578915, 130105220, 195157830, 390315660]

約数ペア:

[(1, 390315660), (2, 195157830), (3, 130105220), (4, 97578915), (5, 78063132), (6, 65052610), (7, 55759380), (10, 39031566), (12, 32526305), (14, 27879690), (15, 26021044), (20, 19515783), (21, 18586460), (28, 13939845), (30, 13010522), (35, 11151876), (42, 9293230), (60, 6505261), (70, 5575938), (84, 4646615), (105, 3717292), (140, 2787969), (210, 1858646), (420, 929323)]