287432940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281797}}^1$

素因数の和:281826

約数の個数: 48

約数和(自身を含む): 852157152

約数和(自身を除く): 564724212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 281797, 563594, 845391, 1127188, 1408985, 1690782, 2817970, 3381564, 4226955, 4790549, 5635940, 8453910, 9581098, 14371647, 16907820, 19162196, 23952745, 28743294, 47905490, 57486588, 71858235, 95810980, 143716470, 287432940]

約数ペア:

[(1, 287432940), (2, 143716470), (3, 95810980), (4, 71858235), (5, 57486588), (6, 47905490), (10, 28743294), (12, 23952745), (15, 19162196), (17, 16907820), (20, 14371647), (30, 9581098), (34, 8453910), (51, 5635940), (60, 4790549), (68, 4226955), (85, 3381564), (102, 2817970), (170, 1690782), (204, 1408985), (255, 1127188), (340, 845391), (510, 563594), (1020, 281797)]