231347840

素因数分解:

$2^7\times 5^1\times {\mathrm{361481}}^1$

素因数の和:361500

約数の個数: 32

約数和(自身を含む): 553067460

約数和(自身を除く): 321719620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 361481, 722962, 1445924, 1807405, 2891848, 3614810, 5783696, 7229620, 11567392, 14459240, 23134784, 28918480, 46269568, 57836960, 115673920, 231347840]

約数ペア:

[(1, 231347840), (2, 115673920), (4, 57836960), (5, 46269568), (8, 28918480), (10, 23134784), (16, 14459240), (20, 11567392), (32, 7229620), (40, 5783696), (64, 3614810), (80, 2891848), (128, 1807405), (160, 1445924), (320, 722962), (640, 361481)]