387515240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1383983}}^1$

素因数の和:1384001

約数の個数: 32

約数和(自身を含む): 996468480

約数和(自身を除く): 608953240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1383983, 2767966, 5535932, 6919915, 9687881, 11071864, 13839830, 19375762, 27679660, 38751524, 48439405, 55359320, 77503048, 96878810, 193757620, 387515240]

約数ペア:

[(1, 387515240), (2, 193757620), (4, 96878810), (5, 77503048), (7, 55359320), (8, 48439405), (10, 38751524), (14, 27679660), (20, 19375762), (28, 13839830), (35, 11071864), (40, 9687881), (56, 6919915), (70, 5535932), (140, 2767966), (280, 1383983)]