2017686520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{857}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 4614667200

約数和(自身を除く): 2596980680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 829, 857, 1420, 1658, 1714, 2840, 3316, 3428, 4145, 4285, 6632, 6856, 8290, 8570, 16580, 17140, 33160, 34280, 58859, 60847, 117718, 121694, 235436, 243388, 294295, 304235, 470872, 486776, 588590, 608470, 710453, 1177180, 1216940, 1420906, 2354360, 2433880, 2841812, 3552265, 5683624, 7104530, 14209060, 28418120, 50442163, 100884326, 201768652, 252210815, 403537304, 504421630, 1008843260, 2017686520]

約数ペア:

[(1, 2017686520), (2, 1008843260), (4, 504421630), (5, 403537304), (8, 252210815), (10, 201768652), (20, 100884326), (40, 50442163), (71, 28418120), (142, 14209060), (284, 7104530), (355, 5683624), (568, 3552265), (710, 2841812), (829, 2433880), (857, 2354360), (1420, 1420906), (1658, 1216940), (1714, 1177180), (2840, 710453), (3316, 608470), (3428, 588590), (4145, 486776), (4285, 470872), (6632, 304235), (6856, 294295), (8290, 243388), (8570, 235436), (16580, 121694), (17140, 117718), (33160, 60847), (34280, 58859)]