3981900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 12419344

約数和(自身を除く): 8437444

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, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1021, 1300, 1950, 2042, 3063, 3900, 4084, 5105, 6126, 10210, 12252, 13273, 15315, 20420, 25525, 26546, 30630, 39819, 51050, 53092, 61260, 66365, 76575, 79638, 102100, 132730, 153150, 159276, 199095, 265460, 306300, 331825, 398190, 663650, 796380, 995475, 1327300, 1990950, 3981900]

約数ペア:

[(1, 3981900), (2, 1990950), (3, 1327300), (4, 995475), (5, 796380), (6, 663650), (10, 398190), (12, 331825), (13, 306300), (15, 265460), (20, 199095), (25, 159276), (26, 153150), (30, 132730), (39, 102100), (50, 79638), (52, 76575), (60, 66365), (65, 61260), (75, 53092), (78, 51050), (100, 39819), (130, 30630), (150, 26546), (156, 25525), (195, 20420), (260, 15315), (300, 13273), (325, 12252), (390, 10210), (650, 6126), (780, 5105), (975, 4084), (1021, 3900), (1300, 3063), (1950, 2042)]