401412740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{3407}}^1$

素因数の和:3596

約数の個数: 48

約数和(自身を含む): 869121792

約数和(自身を除く): 467709052

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 685, 860, 1370, 2740, 3407, 5891, 6814, 11782, 13628, 17035, 23564, 29455, 34070, 58910, 68140, 117820, 146501, 293002, 466759, 586004, 732505, 933518, 1465010, 1867036, 2333795, 2930020, 4667590, 9335180, 20070637, 40141274, 80282548, 100353185, 200706370, 401412740]

約数ペア:

[(1, 401412740), (2, 200706370), (4, 100353185), (5, 80282548), (10, 40141274), (20, 20070637), (43, 9335180), (86, 4667590), (137, 2930020), (172, 2333795), (215, 1867036), (274, 1465010), (430, 933518), (548, 732505), (685, 586004), (860, 466759), (1370, 293002), (2740, 146501), (3407, 117820), (5891, 68140), (6814, 58910), (11782, 34070), (13628, 29455), (17035, 23564)]