123515620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 269736768

約数和(自身を除く): 146221148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 740, 830, 1660, 2011, 3071, 4022, 6142, 8044, 10055, 12284, 15355, 20110, 30710, 40220, 61420, 74407, 148814, 166913, 297628, 333826, 372035, 667652, 744070, 834565, 1488140, 1669130, 3338260, 6175781, 12351562, 24703124, 30878905, 61757810, 123515620]

約数ペア:

[(1, 123515620), (2, 61757810), (4, 30878905), (5, 24703124), (10, 12351562), (20, 6175781), (37, 3338260), (74, 1669130), (83, 1488140), (148, 834565), (166, 744070), (185, 667652), (332, 372035), (370, 333826), (415, 297628), (740, 166913), (830, 148814), (1660, 74407), (2011, 61420), (3071, 40220), (4022, 30710), (6142, 20110), (8044, 15355), (10055, 12284)]