72140740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73613}}^1$

素因数の和:73636

約数の個数: 36

約数和(自身を含む): 176231916

約数和(自身を除く): 104091176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73613, 147226, 294452, 368065, 515291, 736130, 1030582, 1472260, 2061164, 2576455, 3607037, 5152910, 7214074, 10305820, 14428148, 18035185, 36070370, 72140740]

約数ペア:

[(1, 72140740), (2, 36070370), (4, 18035185), (5, 14428148), (7, 10305820), (10, 7214074), (14, 5152910), (20, 3607037), (28, 2576455), (35, 2061164), (49, 1472260), (70, 1030582), (98, 736130), (140, 515291), (196, 368065), (245, 294452), (490, 147226), (980, 73613)]