142253420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^2$

素因数の和:998

約数の個数: 36

約数和(自身を含む): 309013824

約数和(自身を除く): 166760404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 479, 620, 958, 1916, 2395, 4790, 9580, 14849, 29698, 59396, 74245, 148490, 229441, 296980, 458882, 917764, 1147205, 2294410, 4588820, 7112671, 14225342, 28450684, 35563355, 71126710, 142253420]

約数ペア:

[(1, 142253420), (2, 71126710), (4, 35563355), (5, 28450684), (10, 14225342), (20, 7112671), (31, 4588820), (62, 2294410), (124, 1147205), (155, 917764), (310, 458882), (479, 296980), (620, 229441), (958, 148490), (1916, 74245), (2395, 59396), (4790, 29698), (9580, 14849)]