142231660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 310534560

約数和(自身を除く): 168302900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 977, 1004, 1255, 1954, 2510, 3908, 4885, 5020, 7279, 9770, 14558, 19540, 28333, 29116, 36395, 56666, 72790, 113332, 141665, 145580, 245227, 283330, 490454, 566660, 980908, 1226135, 2452270, 4904540, 7111583, 14223166, 28446332, 35557915, 71115830, 142231660]

約数ペア:

[(1, 142231660), (2, 71115830), (4, 35557915), (5, 28446332), (10, 14223166), (20, 7111583), (29, 4904540), (58, 2452270), (116, 1226135), (145, 980908), (251, 566660), (290, 490454), (502, 283330), (580, 245227), (977, 145580), (1004, 141665), (1255, 113332), (1954, 72790), (2510, 56666), (3908, 36395), (4885, 29116), (5020, 28333), (7279, 19540), (9770, 14558)]