28043540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11783}}^1$

素因数の和:11816

約数の個数: 48

約数和(自身を含む): 71269632

約数和(自身を除く): 43226092

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11783, 23566, 47132, 58915, 82481, 117830, 164962, 200311, 235660, 329924, 400622, 412405, 801244, 824810, 1001555, 1402177, 1649620, 2003110, 2804354, 4006220, 5608708, 7010885, 14021770, 28043540]

約数ペア:

[(1, 28043540), (2, 14021770), (4, 7010885), (5, 5608708), (7, 4006220), (10, 2804354), (14, 2003110), (17, 1649620), (20, 1402177), (28, 1001555), (34, 824810), (35, 801244), (68, 412405), (70, 400622), (85, 329924), (119, 235660), (140, 200311), (170, 164962), (238, 117830), (340, 82481), (476, 58915), (595, 47132), (1190, 23566), (2380, 11783)]