2017068920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{1879}}^1$

素因数の和:2508

約数の個数: 64

約数和(自身を含む): 4645555200

約数和(自身を除く): 2628486280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 571, 940, 1142, 1879, 1880, 2284, 2855, 3758, 4568, 5710, 7516, 9395, 11420, 15032, 18790, 22840, 26837, 37580, 53674, 75160, 88313, 107348, 134185, 176626, 214696, 268370, 353252, 441565, 536740, 706504, 883130, 1072909, 1073480, 1766260, 2145818, 3532520, 4291636, 5364545, 8583272, 10729090, 21458180, 42916360, 50426723, 100853446, 201706892, 252133615, 403413784, 504267230, 1008534460, 2017068920]

約数ペア:

[(1, 2017068920), (2, 1008534460), (4, 504267230), (5, 403413784), (8, 252133615), (10, 201706892), (20, 100853446), (40, 50426723), (47, 42916360), (94, 21458180), (188, 10729090), (235, 8583272), (376, 5364545), (470, 4291636), (571, 3532520), (940, 2145818), (1142, 1766260), (1879, 1073480), (1880, 1072909), (2284, 883130), (2855, 706504), (3758, 536740), (4568, 441565), (5710, 353252), (7516, 268370), (9395, 214696), (11420, 176626), (15032, 134185), (18790, 107348), (22840, 88313), (26837, 75160), (37580, 53674)]