738897020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{57457}}^1$

素因数の和:58109

約数の個数: 24

約数和(自身を含む): 1554123984

約数和(自身を除く): 815226964

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 57457, 114914, 229828, 287285, 574570, 1149140, 36944851, 73889702, 147779404, 184724255, 369448510, 738897020]

約数ペア:

[(1, 738897020), (2, 369448510), (4, 184724255), (5, 147779404), (10, 73889702), (20, 36944851), (643, 1149140), (1286, 574570), (2572, 287285), (3215, 229828), (6430, 114914), (12860, 57457)]