2251380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 6370560

約数和(自身を除く): 4119180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 239, 314, 471, 478, 628, 717, 785, 942, 956, 1195, 1434, 1570, 1884, 2355, 2390, 2868, 3140, 3585, 4710, 4780, 7170, 9420, 14340, 37523, 75046, 112569, 150092, 187615, 225138, 375230, 450276, 562845, 750460, 1125690, 2251380]

約数ペア:

[(1, 2251380), (2, 1125690), (3, 750460), (4, 562845), (5, 450276), (6, 375230), (10, 225138), (12, 187615), (15, 150092), (20, 112569), (30, 75046), (60, 37523), (157, 14340), (239, 9420), (314, 7170), (471, 4780), (478, 4710), (628, 3585), (717, 3140), (785, 2868), (942, 2390), (956, 2355), (1195, 1884), (1434, 1570)]