361402120

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{20963}}^1$

素因数の和:21405

約数の個数: 32

約数和(自身を含む): 815080320

約数和(自身を除く): 453678200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 20963, 41926, 83852, 104815, 167704, 209630, 419260, 838520, 9035053, 18070106, 36140212, 45175265, 72280424, 90350530, 180701060, 361402120]

約数ペア:

[(1, 361402120), (2, 180701060), (4, 90350530), (5, 72280424), (8, 45175265), (10, 36140212), (20, 18070106), (40, 9035053), (431, 838520), (862, 419260), (1724, 209630), (2155, 167704), (3448, 104815), (4310, 83852), (8620, 41926), (17240, 20963)]