71309980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4673}}^1$

素因数の和:4798

約数の個数: 48

約数和(自身を含む): 172751040

約数和(自身を除く): 101441060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4673, 7630, 9346, 15260, 18692, 23365, 32711, 46730, 65422, 93460, 130844, 163555, 327110, 509357, 654220, 1018714, 2037428, 2546785, 3565499, 5093570, 7130998, 10187140, 14261996, 17827495, 35654990, 71309980]

約数ペア:

[(1, 71309980), (2, 35654990), (4, 17827495), (5, 14261996), (7, 10187140), (10, 7130998), (14, 5093570), (20, 3565499), (28, 2546785), (35, 2037428), (70, 1018714), (109, 654220), (140, 509357), (218, 327110), (436, 163555), (545, 130844), (763, 93460), (1090, 65422), (1526, 46730), (2180, 32711), (3052, 23365), (3815, 18692), (4673, 15260), (7630, 9346)]