7890090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20231}}^1$

素因数の和:20254

約数の個数: 32

約数和(自身を含む): 20393856

約数和(自身を除く): 12503766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20231, 40462, 60693, 101155, 121386, 202310, 263003, 303465, 526006, 606930, 789009, 1315015, 1578018, 2630030, 3945045, 7890090]

約数ペア:

[(1, 7890090), (2, 3945045), (3, 2630030), (5, 1578018), (6, 1315015), (10, 789009), (13, 606930), (15, 526006), (26, 303465), (30, 263003), (39, 202310), (65, 121386), (78, 101155), (130, 60693), (195, 40462), (390, 20231)]