29816780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 72394560

約数和(自身を除く): 42577780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2393, 2492, 3115, 4786, 6230, 9572, 11965, 12460, 16751, 23930, 33502, 47860, 67004, 83755, 167510, 212977, 335020, 425954, 851908, 1064885, 1490839, 2129770, 2981678, 4259540, 5963356, 7454195, 14908390, 29816780]

約数ペア:

[(1, 29816780), (2, 14908390), (4, 7454195), (5, 5963356), (7, 4259540), (10, 2981678), (14, 2129770), (20, 1490839), (28, 1064885), (35, 851908), (70, 425954), (89, 335020), (140, 212977), (178, 167510), (356, 83755), (445, 67004), (623, 47860), (890, 33502), (1246, 23930), (1780, 16751), (2393, 12460), (2492, 11965), (3115, 9572), (4786, 6230)]