405911260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9857}}^1$

素因数の和:9966

約数の個数: 48

約数和(自身を含む): 894317760

約数和(自身を除く): 488406500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 9857, 10295, 19714, 20590, 39428, 41180, 49285, 98570, 197140, 285853, 571706, 699847, 1143412, 1399694, 1429265, 2799388, 2858530, 3499235, 5717060, 6998470, 13996940, 20295563, 40591126, 81182252, 101477815, 202955630, 405911260]

約数ペア:

[(1, 405911260), (2, 202955630), (4, 101477815), (5, 81182252), (10, 40591126), (20, 20295563), (29, 13996940), (58, 6998470), (71, 5717060), (116, 3499235), (142, 2858530), (145, 2799388), (284, 1429265), (290, 1399694), (355, 1143412), (580, 699847), (710, 571706), (1420, 285853), (2059, 197140), (4118, 98570), (8236, 49285), (9857, 41180), (10295, 39428), (19714, 20590)]