8638500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 27151488

約数和(自身を除く): 18512988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 443, 500, 650, 750, 780, 886, 975, 1300, 1329, 1500, 1625, 1772, 1950, 2215, 2658, 3250, 3900, 4430, 4875, 5316, 5759, 6500, 6645, 8860, 9750, 11075, 11518, 13290, 17277, 19500, 22150, 23036, 26580, 28795, 33225, 34554, 44300, 55375, 57590, 66450, 69108, 86385, 110750, 115180, 132900, 143975, 166125, 172770, 221500, 287950, 332250, 345540, 431925, 575900, 664500, 719875, 863850, 1439750, 1727700, 2159625, 2879500, 4319250, 8638500]

約数ペア:

[(1, 8638500), (2, 4319250), (3, 2879500), (4, 2159625), (5, 1727700), (6, 1439750), (10, 863850), (12, 719875), (13, 664500), (15, 575900), (20, 431925), (25, 345540), (26, 332250), (30, 287950), (39, 221500), (50, 172770), (52, 166125), (60, 143975), (65, 132900), (75, 115180), (78, 110750), (100, 86385), (125, 69108), (130, 66450), (150, 57590), (156, 55375), (195, 44300), (250, 34554), (260, 33225), (300, 28795), (325, 26580), (375, 23036), (390, 22150), (443, 19500), (500, 17277), (650, 13290), (750, 11518), (780, 11075), (886, 9750), (975, 8860), (1300, 6645), (1329, 6500), (1500, 5759), (1625, 5316), (1772, 4875), (1950, 4430), (2215, 3900), (2658, 3250)]