9859420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 11913380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 191, 290, 356, 382, 445, 580, 764, 890, 955, 1780, 1910, 2581, 3820, 5162, 5539, 10324, 11078, 12905, 16999, 22156, 25810, 27695, 33998, 51620, 55390, 67996, 84995, 110780, 169990, 339980, 492971, 985942, 1971884, 2464855, 4929710, 9859420]

約数ペア:

[(1, 9859420), (2, 4929710), (4, 2464855), (5, 1971884), (10, 985942), (20, 492971), (29, 339980), (58, 169990), (89, 110780), (116, 84995), (145, 67996), (178, 55390), (191, 51620), (290, 33998), (356, 27695), (382, 25810), (445, 22156), (580, 16999), (764, 12905), (890, 11078), (955, 10324), (1780, 5539), (1910, 5162), (2581, 3820)]