1099900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 2531088

約数和(自身を除く): 1431188

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 647, 850, 1294, 1700, 2588, 3235, 6470, 10999, 12940, 16175, 21998, 32350, 43996, 54995, 64700, 109990, 219980, 274975, 549950, 1099900]

約数ペア:

[(1, 1099900), (2, 549950), (4, 274975), (5, 219980), (10, 109990), (17, 64700), (20, 54995), (25, 43996), (34, 32350), (50, 21998), (68, 16175), (85, 12940), (100, 10999), (170, 6470), (340, 3235), (425, 2588), (647, 1700), (850, 1294)]