490366940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3502621}}^1$

素因数の和:3502637

約数の個数: 24

約数和(自身を含む): 1176880992

約数和(自身を除く): 686514052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3502621, 7005242, 14010484, 17513105, 24518347, 35026210, 49036694, 70052420, 98073388, 122591735, 245183470, 490366940]

約数ペア:

[(1, 490366940), (2, 245183470), (4, 122591735), (5, 98073388), (7, 70052420), (10, 49036694), (14, 35026210), (20, 24518347), (28, 17513105), (35, 14010484), (70, 7005242), (140, 3502621)]