387996880

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{47087}}^1$

素因数の和:47203

約数の個数: 40

約数和(自身を含む): 910870272

約数和(自身を除く): 522873392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 47087, 94174, 188348, 235435, 376696, 470870, 753392, 941740, 1883480, 3766960, 4849961, 9699922, 19399844, 24249805, 38799688, 48499610, 77599376, 96999220, 193998440, 387996880]

約数ペア:

[(1, 387996880), (2, 193998440), (4, 96999220), (5, 77599376), (8, 48499610), (10, 38799688), (16, 24249805), (20, 19399844), (40, 9699922), (80, 4849961), (103, 3766960), (206, 1883480), (412, 941740), (515, 753392), (824, 470870), (1030, 376696), (1648, 235435), (2060, 188348), (4120, 94174), (8240, 47087)]