814726040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 1856736000

約数和(自身を除く): 1042009960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 223, 298, 446, 596, 613, 745, 892, 1115, 1192, 1226, 1490, 1784, 2230, 2452, 2980, 3065, 4460, 4904, 5960, 6130, 8920, 12260, 24520, 33227, 66454, 91337, 132908, 136699, 166135, 182674, 265816, 273398, 332270, 365348, 456685, 546796, 664540, 683495, 730696, 913370, 1093592, 1329080, 1366990, 1826740, 2733980, 3653480, 5467960, 20368151, 40736302, 81472604, 101840755, 162945208, 203681510, 407363020, 814726040]

約数ペア:

[(1, 814726040), (2, 407363020), (4, 203681510), (5, 162945208), (8, 101840755), (10, 81472604), (20, 40736302), (40, 20368151), (149, 5467960), (223, 3653480), (298, 2733980), (446, 1826740), (596, 1366990), (613, 1329080), (745, 1093592), (892, 913370), (1115, 730696), (1192, 683495), (1226, 664540), (1490, 546796), (1784, 456685), (2230, 365348), (2452, 332270), (2980, 273398), (3065, 265816), (4460, 182674), (4904, 166135), (5960, 136699), (6130, 132908), (8920, 91337), (12260, 66454), (24520, 33227)]