29969860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 64638000

約数和(自身を除く): 34668140

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 149, 178, 226, 298, 356, 445, 452, 565, 596, 745, 890, 1130, 1490, 1780, 2260, 2980, 10057, 13261, 16837, 20114, 26522, 33674, 40228, 50285, 53044, 66305, 67348, 84185, 100570, 132610, 168370, 201140, 265220, 336740, 1498493, 2996986, 5993972, 7492465, 14984930, 29969860]

約数ペア:

[(1, 29969860), (2, 14984930), (4, 7492465), (5, 5993972), (10, 2996986), (20, 1498493), (89, 336740), (113, 265220), (149, 201140), (178, 168370), (226, 132610), (298, 100570), (356, 84185), (445, 67348), (452, 66305), (565, 53044), (596, 50285), (745, 40228), (890, 33674), (1130, 26522), (1490, 20114), (1780, 16837), (2260, 13261), (2980, 10057)]