204555820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16417}}^1$

素因数の和:16522

約数の個数: 48

約数和(自身を含む): 496480320

約数和(自身を除く): 291924500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 16417, 32834, 65668, 82085, 114919, 164170, 229838, 328340, 459676, 574595, 1149190, 1461113, 2298380, 2922226, 5844452, 7305565, 10227791, 14611130, 20455582, 29222260, 40911164, 51138955, 102277910, 204555820]

約数ペア:

[(1, 204555820), (2, 102277910), (4, 51138955), (5, 40911164), (7, 29222260), (10, 20455582), (14, 14611130), (20, 10227791), (28, 7305565), (35, 5844452), (70, 2922226), (89, 2298380), (140, 1461113), (178, 1149190), (356, 574595), (445, 459676), (623, 328340), (890, 229838), (1246, 164170), (1780, 114919), (2492, 82085), (3115, 65668), (6230, 32834), (12460, 16417)]