268897020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{640231}}^1$

素因数の和:640250

約数の個数: 48

約数和(自身を含む): 860471808

約数和(自身を除く): 591574788

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, 640231, 1280462, 1920693, 2560924, 3201155, 3841386, 4481617, 6402310, 7682772, 8963234, 9603465, 12804620, 13444851, 17926468, 19206930, 22408085, 26889702, 38413860, 44816170, 53779404, 67224255, 89632340, 134448510, 268897020]

約数ペア:

[(1, 268897020), (2, 134448510), (3, 89632340), (4, 67224255), (5, 53779404), (6, 44816170), (7, 38413860), (10, 26889702), (12, 22408085), (14, 19206930), (15, 17926468), (20, 13444851), (21, 12804620), (28, 9603465), (30, 8963234), (35, 7682772), (42, 6402310), (60, 4481617), (70, 3841386), (84, 3201155), (105, 2560924), (140, 1920693), (210, 1280462), (420, 640231)]