68874500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 151656960

約数和(自身を除く): 82782460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 991, 1390, 1982, 2780, 3475, 3964, 4955, 6950, 9910, 13900, 17375, 19820, 24775, 34750, 49550, 69500, 99100, 123875, 137749, 247750, 275498, 495500, 550996, 688745, 1377490, 2754980, 3443725, 6887450, 13774900, 17218625, 34437250, 68874500]

約数ペア:

[(1, 68874500), (2, 34437250), (4, 17218625), (5, 13774900), (10, 6887450), (20, 3443725), (25, 2754980), (50, 1377490), (100, 688745), (125, 550996), (139, 495500), (250, 275498), (278, 247750), (500, 137749), (556, 123875), (695, 99100), (991, 69500), (1390, 49550), (1982, 34750), (2780, 24775), (3475, 19820), (3964, 17375), (4955, 13900), (6950, 9910)]