28814700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 84091840

約数和(自身を除く): 55277140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 417, 556, 691, 695, 834, 1382, 1390, 1668, 2073, 2085, 2764, 2780, 3455, 3475, 4146, 4170, 6910, 6950, 8292, 8340, 10365, 10425, 13820, 13900, 17275, 20730, 20850, 34550, 41460, 41700, 51825, 69100, 96049, 103650, 192098, 207300, 288147, 384196, 480245, 576294, 960490, 1152588, 1440735, 1920980, 2401225, 2881470, 4802450, 5762940, 7203675, 9604900, 14407350, 28814700]

約数ペア:

[(1, 28814700), (2, 14407350), (3, 9604900), (4, 7203675), (5, 5762940), (6, 4802450), (10, 2881470), (12, 2401225), (15, 1920980), (20, 1440735), (25, 1152588), (30, 960490), (50, 576294), (60, 480245), (75, 384196), (100, 288147), (139, 207300), (150, 192098), (278, 103650), (300, 96049), (417, 69100), (556, 51825), (691, 41700), (695, 41460), (834, 34550), (1382, 20850), (1390, 20730), (1668, 17275), (2073, 13900), (2085, 13820), (2764, 10425), (2780, 10365), (3455, 8340), (3475, 8292), (4146, 6950), (4170, 6910)]