2008001380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{186271}}^1$

素因数の和:186305

約数の個数: 72

約数和(自身を含む): 5351222016

約数和(自身を除く): 3343220636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 186271, 372542, 745084, 931355, 1303897, 1862710, 2048981, 2607794, 3725420, 4097962, 5215588, 6519485, 8195924, 9127279, 10244905, 13038970, 14342867, 18254558, 20489810, 26077940, 28685734, 36509116, 40979620, 45636395, 57371468, 71714335, 91272790, 100400069, 143428670, 182545580, 200800138, 286857340, 401600276, 502000345, 1004000690, 2008001380]

約数ペア:

[(1, 2008001380), (2, 1004000690), (4, 502000345), (5, 401600276), (7, 286857340), (10, 200800138), (11, 182545580), (14, 143428670), (20, 100400069), (22, 91272790), (28, 71714335), (35, 57371468), (44, 45636395), (49, 40979620), (55, 36509116), (70, 28685734), (77, 26077940), (98, 20489810), (110, 18254558), (140, 14342867), (154, 13038970), (196, 10244905), (220, 9127279), (245, 8195924), (308, 6519485), (385, 5215588), (490, 4097962), (539, 3725420), (770, 2607794), (980, 2048981), (1078, 1862710), (1540, 1303897), (2156, 931355), (2695, 745084), (5390, 372542), (10780, 186271)]