3987750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 10745280

約数和(自身を除く): 6757530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 409, 650, 750, 818, 975, 1227, 1625, 1950, 2045, 2454, 3250, 4090, 4875, 5317, 6135, 9750, 10225, 10634, 12270, 15951, 20450, 26585, 30675, 31902, 51125, 53170, 61350, 79755, 102250, 132925, 153375, 159510, 265850, 306750, 398775, 664625, 797550, 1329250, 1993875, 3987750]

約数ペア:

[(1, 3987750), (2, 1993875), (3, 1329250), (5, 797550), (6, 664625), (10, 398775), (13, 306750), (15, 265850), (25, 159510), (26, 153375), (30, 132925), (39, 102250), (50, 79755), (65, 61350), (75, 53170), (78, 51125), (125, 31902), (130, 30675), (150, 26585), (195, 20450), (250, 15951), (325, 12270), (375, 10634), (390, 10225), (409, 9750), (650, 6135), (750, 5317), (818, 4875), (975, 4090), (1227, 3250), (1625, 2454), (1950, 2045)]