91477960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326707}}^1$

素因数の和:326725

約数の個数: 32

約数和(自身を含む): 235229760

約数和(自身を除く): 143751800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326707, 653414, 1306828, 1633535, 2286949, 2613656, 3267070, 4573898, 6534140, 9147796, 11434745, 13068280, 18295592, 22869490, 45738980, 91477960]

約数ペア:

[(1, 91477960), (2, 45738980), (4, 22869490), (5, 18295592), (7, 13068280), (8, 11434745), (10, 9147796), (14, 6534140), (20, 4573898), (28, 3267070), (35, 2613656), (40, 2286949), (56, 1633535), (70, 1306828), (140, 653414), (280, 326707)]