289018860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{370537}}^1$

素因数の和:370562

約数の個数: 48

約数和(自身を含む): 871505376

約数和(自身を除く): 582486516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 370537, 741074, 1111611, 1482148, 1852685, 2223222, 3705370, 4446444, 4816981, 5558055, 7410740, 9633962, 11116110, 14450943, 19267924, 22232220, 24084905, 28901886, 48169810, 57803772, 72254715, 96339620, 144509430, 289018860]

約数ペア:

[(1, 289018860), (2, 144509430), (3, 96339620), (4, 72254715), (5, 57803772), (6, 48169810), (10, 28901886), (12, 24084905), (13, 22232220), (15, 19267924), (20, 14450943), (26, 11116110), (30, 9633962), (39, 7410740), (52, 5558055), (60, 4816981), (65, 4446444), (78, 3705370), (130, 2223222), (156, 1852685), (195, 1482148), (260, 1111611), (390, 741074), (780, 370537)]