28772500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:718

約数の個数: 60

約数和(自身を含む): 66719268

約数和(自身を除く): 37946768

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 677, 850, 1250, 1354, 1700, 2125, 2500, 2708, 3385, 4250, 6770, 8500, 10625, 11509, 13540, 16925, 21250, 23018, 33850, 42500, 46036, 57545, 67700, 84625, 115090, 169250, 230180, 287725, 338500, 423125, 575450, 846250, 1150900, 1438625, 1692500, 2877250, 5754500, 7193125, 14386250, 28772500]

約数ペア:

[(1, 28772500), (2, 14386250), (4, 7193125), (5, 5754500), (10, 2877250), (17, 1692500), (20, 1438625), (25, 1150900), (34, 846250), (50, 575450), (68, 423125), (85, 338500), (100, 287725), (125, 230180), (170, 169250), (250, 115090), (340, 84625), (425, 67700), (500, 57545), (625, 46036), (677, 42500), (850, 33850), (1250, 23018), (1354, 21250), (1700, 16925), (2125, 13540), (2500, 11509), (2708, 10625), (3385, 8500), (4250, 6770)]