206700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 656208

約数和(自身を除く): 449508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 53, 60, 65, 75, 78, 100, 106, 130, 150, 156, 159, 195, 212, 260, 265, 300, 318, 325, 390, 530, 636, 650, 689, 780, 795, 975, 1060, 1300, 1325, 1378, 1590, 1950, 2067, 2650, 2756, 3180, 3445, 3900, 3975, 4134, 5300, 6890, 7950, 8268, 10335, 13780, 15900, 17225, 20670, 34450, 41340, 51675, 68900, 103350, 206700]

約数ペア:

[(1, 206700), (2, 103350), (3, 68900), (4, 51675), (5, 41340), (6, 34450), (10, 20670), (12, 17225), (13, 15900), (15, 13780), (20, 10335), (25, 8268), (26, 7950), (30, 6890), (39, 5300), (50, 4134), (52, 3975), (53, 3900), (60, 3445), (65, 3180), (75, 2756), (78, 2650), (100, 2067), (106, 1950), (130, 1590), (150, 1378), (156, 1325), (159, 1300), (195, 1060), (212, 975), (260, 795), (265, 780), (300, 689), (318, 650), (325, 636), (390, 530)]