1520693620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1\times {\mathrm{1747}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 3245574528

約数和(自身を除く): 1724880908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 613, 710, 1226, 1420, 1747, 2452, 3065, 3494, 6130, 6988, 8735, 12260, 17470, 34940, 43523, 87046, 124037, 174092, 217615, 248074, 435230, 496148, 620185, 870460, 1070911, 1240370, 2141822, 2480740, 4283644, 5354555, 10709110, 21418220, 76034681, 152069362, 304138724, 380173405, 760346810, 1520693620]

約数ペア:

[(1, 1520693620), (2, 760346810), (4, 380173405), (5, 304138724), (10, 152069362), (20, 76034681), (71, 21418220), (142, 10709110), (284, 5354555), (355, 4283644), (613, 2480740), (710, 2141822), (1226, 1240370), (1420, 1070911), (1747, 870460), (2452, 620185), (3065, 496148), (3494, 435230), (6130, 248074), (6988, 217615), (8735, 174092), (12260, 124037), (17470, 87046), (34940, 43523)]