1777884020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2781

約数の個数: 96

約数和(自身を含む): 4227987456

約数和(自身を除く): 2450103436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 71, 86, 110, 142, 172, 215, 220, 284, 355, 430, 473, 710, 781, 860, 946, 1420, 1562, 1892, 2365, 2647, 3053, 3124, 3905, 4730, 5294, 6106, 7810, 9460, 10588, 12212, 13235, 15265, 15620, 26470, 29117, 30530, 33583, 52940, 58234, 61060, 67166, 113821, 116468, 134332, 145585, 167915, 187937, 227642, 291170, 335830, 375874, 455284, 569105, 582340, 671660, 751748, 939685, 1138210, 1252031, 1879370, 2067307, 2276420, 2504062, 3758740, 4134614, 5008124, 6260155, 8081291, 8269228, 10336535, 12520310, 16162582, 20673070, 25040620, 32325164, 40406455, 41346140, 80812910, 88894201, 161625820, 177788402, 355576804, 444471005, 888942010, 1777884020]

約数ペア:

[(1, 1777884020), (2, 888942010), (4, 444471005), (5, 355576804), (10, 177788402), (11, 161625820), (20, 88894201), (22, 80812910), (43, 41346140), (44, 40406455), (55, 32325164), (71, 25040620), (86, 20673070), (110, 16162582), (142, 12520310), (172, 10336535), (215, 8269228), (220, 8081291), (284, 6260155), (355, 5008124), (430, 4134614), (473, 3758740), (710, 2504062), (781, 2276420), (860, 2067307), (946, 1879370), (1420, 1252031), (1562, 1138210), (1892, 939685), (2365, 751748), (2647, 671660), (3053, 582340), (3124, 569105), (3905, 455284), (4730, 375874), (5294, 335830), (6106, 291170), (7810, 227642), (9460, 187937), (10588, 167915), (12212, 145585), (13235, 134332), (15265, 116468), (15620, 113821), (26470, 67166), (29117, 61060), (30530, 58234), (33583, 52940)]