386419160

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{9949}}^1$

素因数の和:10931

約数の個数: 32

約数和(自身を含む): 870426000

約数和(自身を除く): 484006840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 9949, 19420, 19898, 38840, 39796, 49745, 79592, 99490, 198980, 397960, 9660479, 19320958, 38641916, 48302395, 77283832, 96604790, 193209580, 386419160]

約数ペア:

[(1, 386419160), (2, 193209580), (4, 96604790), (5, 77283832), (8, 48302395), (10, 38641916), (20, 19320958), (40, 9660479), (971, 397960), (1942, 198980), (3884, 99490), (4855, 79592), (7768, 49745), (9710, 39796), (9949, 38840), (19420, 19898)]