206709620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8933}}^1$

素因数の和:9044

約数の個数: 48

約数和(自身を含む): 472787280

約数和(自身を除く): 266077660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 8933, 11570, 17866, 23140, 35732, 44665, 89330, 116129, 178660, 232258, 464516, 580645, 795037, 1161290, 1590074, 2322580, 3180148, 3975185, 7950370, 10335481, 15900740, 20670962, 41341924, 51677405, 103354810, 206709620]

約数ペア:

[(1, 206709620), (2, 103354810), (4, 51677405), (5, 41341924), (10, 20670962), (13, 15900740), (20, 10335481), (26, 7950370), (52, 3975185), (65, 3180148), (89, 2322580), (130, 1590074), (178, 1161290), (260, 795037), (356, 580645), (445, 464516), (890, 232258), (1157, 178660), (1780, 116129), (2314, 89330), (4628, 44665), (5785, 35732), (8933, 23140), (11570, 17866)]