218460380

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{7229}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 459133920

約数和(自身を除く): 240673540

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 6044, 7229, 7555, 14458, 15110, 28916, 30220, 36145, 72290, 144580, 10923019, 21846038, 43692076, 54615095, 109230190, 218460380]

約数ペア:

[(1, 218460380), (2, 109230190), (4, 54615095), (5, 43692076), (10, 21846038), (20, 10923019), (1511, 144580), (3022, 72290), (6044, 36145), (7229, 30220), (7555, 28916), (14458, 15110)]