2290900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 36

約数和(自身を含む): 5138560

約数和(自身を除く): 2847660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 739, 775, 1478, 1550, 2956, 3100, 3695, 7390, 14780, 18475, 22909, 36950, 45818, 73900, 91636, 114545, 229090, 458180, 572725, 1145450, 2290900]

約数ペア:

[(1, 2290900), (2, 1145450), (4, 572725), (5, 458180), (10, 229090), (20, 114545), (25, 91636), (31, 73900), (50, 45818), (62, 36950), (100, 22909), (124, 18475), (155, 14780), (310, 7390), (620, 3695), (739, 3100), (775, 2956), (1478, 1550)]