3981404020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{50131}}^1$

素因数の和:50189

約数の個数: 72

約数和(自身を含む): 9626547168

約数和(自身を除く): 5645143148

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 7220, 7942, 15884, 19855, 39710, 50131, 79420, 100262, 200524, 250655, 501310, 551441, 952489, 1002620, 1102882, 1904978, 2205764, 2757205, 3809956, 4762445, 5514410, 9524890, 10477379, 11028820, 18097291, 19049780, 20954758, 36194582, 41909516, 52386895, 72389164, 90486455, 104773790, 180972910, 199070201, 209547580, 361945820, 398140402, 796280804, 995351005, 1990702010, 3981404020]

約数ペア:

[(1, 3981404020), (2, 1990702010), (4, 995351005), (5, 796280804), (10, 398140402), (11, 361945820), (19, 209547580), (20, 199070201), (22, 180972910), (38, 104773790), (44, 90486455), (55, 72389164), (76, 52386895), (95, 41909516), (110, 36194582), (190, 20954758), (209, 19049780), (220, 18097291), (361, 11028820), (380, 10477379), (418, 9524890), (722, 5514410), (836, 4762445), (1045, 3809956), (1444, 2757205), (1805, 2205764), (2090, 1904978), (3610, 1102882), (3971, 1002620), (4180, 952489), (7220, 551441), (7942, 501310), (15884, 250655), (19855, 200524), (39710, 100262), (50131, 79420)]