380366020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{463861}}^1$

素因数の和:463911

約数の個数: 24

約数和(自身を含む): 818252568

約数和(自身を除く): 437886548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 463861, 927722, 1855444, 2319305, 4638610, 9277220, 19018301, 38036602, 76073204, 95091505, 190183010, 380366020]

約数ペア:

[(1, 380366020), (2, 190183010), (4, 95091505), (5, 76073204), (10, 38036602), (20, 19018301), (41, 9277220), (82, 4638610), (164, 2319305), (205, 1855444), (410, 927722), (820, 463861)]