17917340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 26898340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 389, 470, 490, 658, 778, 940, 980, 1316, 1556, 1645, 1945, 2303, 2723, 3290, 3890, 4606, 5446, 6580, 7780, 9212, 10892, 11515, 13615, 18283, 19061, 23030, 27230, 36566, 38122, 46060, 54460, 73132, 76244, 91415, 95305, 127981, 182830, 190610, 255962, 365660, 381220, 511924, 639905, 895867, 1279810, 1791734, 2559620, 3583468, 4479335, 8958670, 17917340]

約数ペア:

[(1, 17917340), (2, 8958670), (4, 4479335), (5, 3583468), (7, 2559620), (10, 1791734), (14, 1279810), (20, 895867), (28, 639905), (35, 511924), (47, 381220), (49, 365660), (70, 255962), (94, 190610), (98, 182830), (140, 127981), (188, 95305), (196, 91415), (235, 76244), (245, 73132), (329, 54460), (389, 46060), (470, 38122), (490, 36566), (658, 27230), (778, 23030), (940, 19061), (980, 18283), (1316, 13615), (1556, 11515), (1645, 10892), (1945, 9212), (2303, 7780), (2723, 6580), (3290, 5446), (3890, 4606)]