19911750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30407610

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 139, 150, 191, 250, 278, 375, 382, 417, 573, 695, 750, 834, 955, 1146, 1390, 1910, 2085, 2865, 3475, 4170, 4775, 5730, 6950, 9550, 10425, 14325, 17375, 20850, 23875, 26549, 28650, 34750, 47750, 52125, 53098, 71625, 79647, 104250, 132745, 143250, 159294, 265490, 398235, 663725, 796470, 1327450, 1991175, 3318625, 3982350, 6637250, 9955875, 19911750]

約数ペア:

[(1, 19911750), (2, 9955875), (3, 6637250), (5, 3982350), (6, 3318625), (10, 1991175), (15, 1327450), (25, 796470), (30, 663725), (50, 398235), (75, 265490), (125, 159294), (139, 143250), (150, 132745), (191, 104250), (250, 79647), (278, 71625), (375, 53098), (382, 52125), (417, 47750), (573, 34750), (695, 28650), (750, 26549), (834, 23875), (955, 20850), (1146, 17375), (1390, 14325), (1910, 10425), (2085, 9550), (2865, 6950), (3475, 5730), (4170, 4775)]