718738540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{5431}}^1$

素因数の和:5962

約数の個数: 48

約数和(自身を含む): 1628948160

約数和(自身を除く): 910209620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 509, 1018, 2036, 2545, 5090, 5431, 6617, 10180, 10862, 13234, 21724, 26468, 27155, 33085, 54310, 66170, 70603, 108620, 132340, 141206, 282412, 353015, 706030, 1412060, 2764379, 5528758, 11057516, 13821895, 27643790, 35936927, 55287580, 71873854, 143747708, 179684635, 359369270, 718738540]

約数ペア:

[(1, 718738540), (2, 359369270), (4, 179684635), (5, 143747708), (10, 71873854), (13, 55287580), (20, 35936927), (26, 27643790), (52, 13821895), (65, 11057516), (130, 5528758), (260, 2764379), (509, 1412060), (1018, 706030), (2036, 353015), (2545, 282412), (5090, 141206), (5431, 132340), (6617, 108620), (10180, 70603), (10862, 66170), (13234, 54310), (21724, 33085), (26468, 27155)]