200904220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6971}}^1$

素因数の和:7122

約数の個数: 48

約数和(自身を含む): 463833216

約数和(自身を除く): 262928996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 6971, 7205, 13942, 14410, 27884, 28820, 34855, 69710, 76681, 139420, 153362, 306724, 383405, 766810, 913201, 1533620, 1826402, 3652804, 4566005, 9132010, 10045211, 18264020, 20090422, 40180844, 50226055, 100452110, 200904220]

約数ペア:

[(1, 200904220), (2, 100452110), (4, 50226055), (5, 40180844), (10, 20090422), (11, 18264020), (20, 10045211), (22, 9132010), (44, 4566005), (55, 3652804), (110, 1826402), (131, 1533620), (220, 913201), (262, 766810), (524, 383405), (655, 306724), (1310, 153362), (1441, 139420), (2620, 76681), (2882, 69710), (5764, 34855), (6971, 28820), (7205, 27884), (13942, 14410)]