290550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 781200

約数和(自身を除く): 490650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 149, 150, 195, 298, 325, 390, 447, 650, 745, 894, 975, 1490, 1937, 1950, 2235, 3725, 3874, 4470, 5811, 7450, 9685, 11175, 11622, 19370, 22350, 29055, 48425, 58110, 96850, 145275, 290550]

約数ペア:

[(1, 290550), (2, 145275), (3, 96850), (5, 58110), (6, 48425), (10, 29055), (13, 22350), (15, 19370), (25, 11622), (26, 11175), (30, 9685), (39, 7450), (50, 5811), (65, 4470), (75, 3874), (78, 3725), (130, 2235), (149, 1950), (150, 1937), (195, 1490), (298, 975), (325, 894), (390, 745), (447, 650)]