201894040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 482889600

約数和(自身を除く): 280995560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 367, 680, 734, 809, 1468, 1618, 1835, 2936, 3236, 3670, 4045, 6239, 6472, 7340, 8090, 12478, 13753, 14680, 16180, 24956, 27506, 31195, 32360, 49912, 55012, 62390, 68765, 110024, 124780, 137530, 249560, 275060, 296903, 550120, 593806, 1187612, 1484515, 2375224, 2969030, 5047351, 5938060, 10094702, 11876120, 20189404, 25236755, 40378808, 50473510, 100947020, 201894040]

約数ペア:

[(1, 201894040), (2, 100947020), (4, 50473510), (5, 40378808), (8, 25236755), (10, 20189404), (17, 11876120), (20, 10094702), (34, 5938060), (40, 5047351), (68, 2969030), (85, 2375224), (136, 1484515), (170, 1187612), (340, 593806), (367, 550120), (680, 296903), (734, 275060), (809, 249560), (1468, 137530), (1618, 124780), (1835, 110024), (2936, 68765), (3236, 62390), (3670, 55012), (4045, 49912), (6239, 32360), (6472, 31195), (7340, 27506), (8090, 24956), (12478, 16180), (13753, 14680)]