404256020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{16691}}^1$

素因数の和:16880

約数の個数: 48

約数和(自身を含む): 975881088

約数和(自身を除く): 571625068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 12110, 16691, 24220, 33382, 66764, 83455, 116837, 166910, 233674, 333820, 467348, 584185, 1168370, 2336740, 2887543, 5775086, 11550172, 14437715, 20212801, 28875430, 40425602, 57750860, 80851204, 101064005, 202128010, 404256020]

約数ペア:

[(1, 404256020), (2, 202128010), (4, 101064005), (5, 80851204), (7, 57750860), (10, 40425602), (14, 28875430), (20, 20212801), (28, 14437715), (35, 11550172), (70, 5775086), (140, 2887543), (173, 2336740), (346, 1168370), (692, 584185), (865, 467348), (1211, 333820), (1730, 233674), (2422, 166910), (3460, 116837), (4844, 83455), (6055, 66764), (12110, 33382), (16691, 24220)]