1880783905

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7669}}^1$

素因数の和:7719

約数の個数: 64

約数和(自身を含む): 3092544000

約数和(自身を除く): 1211760095

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 343, 385, 455, 539, 637, 715, 1001, 1715, 2695, 3185, 3773, 4459, 5005, 7007, 7669, 18865, 22295, 35035, 38345, 49049, 53683, 84359, 99697, 245245, 268415, 375781, 421795, 498485, 590513, 697879, 1096667, 1878905, 2630467, 2952565, 3489395, 4133591, 4885153, 5483335, 7676669, 13152335, 20667955, 24425765, 28935137, 34196071, 38383345, 53736683, 144675685, 170980355, 268683415, 376156781, 1880783905]

約数ペア:

[(1, 1880783905), (5, 376156781), (7, 268683415), (11, 170980355), (13, 144675685), (35, 53736683), (49, 38383345), (55, 34196071), (65, 28935137), (77, 24425765), (91, 20667955), (143, 13152335), (245, 7676669), (343, 5483335), (385, 4885153), (455, 4133591), (539, 3489395), (637, 2952565), (715, 2630467), (1001, 1878905), (1715, 1096667), (2695, 697879), (3185, 590513), (3773, 498485), (4459, 421795), (5005, 375781), (7007, 268415), (7669, 245245), (18865, 99697), (22295, 84359), (35035, 53683), (38345, 49049)]