7257620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 16329600

約数和(自身を除く): 9071980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 269, 284, 355, 380, 538, 710, 1076, 1345, 1349, 1420, 2690, 2698, 5111, 5380, 5396, 6745, 10222, 13490, 19099, 20444, 25555, 26980, 38198, 51110, 76396, 95495, 102220, 190990, 362881, 381980, 725762, 1451524, 1814405, 3628810, 7257620]

約数ペア:

[(1, 7257620), (2, 3628810), (4, 1814405), (5, 1451524), (10, 725762), (19, 381980), (20, 362881), (38, 190990), (71, 102220), (76, 95495), (95, 76396), (142, 51110), (190, 38198), (269, 26980), (284, 25555), (355, 20444), (380, 19099), (538, 13490), (710, 10222), (1076, 6745), (1345, 5396), (1349, 5380), (1420, 5111), (2690, 2698)]