2019470745820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{70071851}}^1$

素因数の和:70072002

約数の個数: 48

約数和(自身を含む): 4661740169856

約数和(自身を除く): 2642269424036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14410, 28820, 70071851, 140143702, 280287404, 350359255, 700718510, 770790361, 1401437020, 1541580722, 3083161444, 3853951805, 7707903610, 9179412481, 15415807220, 18358824962, 36717649924, 45897062405, 91794124810, 100973537291, 183588249620, 201947074582, 403894149164, 504867686455, 1009735372910, 2019470745820]

約数ペア:

[(1, 2019470745820), (2, 1009735372910), (4, 504867686455), (5, 403894149164), (10, 201947074582), (11, 183588249620), (20, 100973537291), (22, 91794124810), (44, 45897062405), (55, 36717649924), (110, 18358824962), (131, 15415807220), (220, 9179412481), (262, 7707903610), (524, 3853951805), (655, 3083161444), (1310, 1541580722), (1441, 1401437020), (2620, 770790361), (2882, 700718510), (5764, 350359255), (7205, 280287404), (14410, 140143702), (28820, 70071851)]