12173420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 29574720

約数和(自身を除く): 17401300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 977, 1246, 1780, 1954, 2492, 3115, 3908, 4885, 6230, 6839, 9770, 12460, 13678, 19540, 27356, 34195, 68390, 86953, 136780, 173906, 347812, 434765, 608671, 869530, 1217342, 1739060, 2434684, 3043355, 6086710, 12173420]

約数ペア:

[(1, 12173420), (2, 6086710), (4, 3043355), (5, 2434684), (7, 1739060), (10, 1217342), (14, 869530), (20, 608671), (28, 434765), (35, 347812), (70, 173906), (89, 136780), (140, 86953), (178, 68390), (356, 34195), (445, 27356), (623, 19540), (890, 13678), (977, 12460), (1246, 9770), (1780, 6839), (1954, 6230), (2492, 4885), (3115, 3908)]