17698955260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1780579}}^1$

素因数の和:1780666

約数の個数: 48

約数和(自身を含む): 43075791360

約数和(自身を除く): 25376836100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 1780579, 3561158, 7122316, 8902895, 12464053, 17805790, 24928106, 35611580, 49856212, 62320265, 124640530, 126421109, 249281060, 252842218, 505684436, 632105545, 884947763, 1264211090, 1769895526, 2528422180, 3539791052, 4424738815, 8849477630, 17698955260]

約数ペア:

[(1, 17698955260), (2, 8849477630), (4, 4424738815), (5, 3539791052), (7, 2528422180), (10, 1769895526), (14, 1264211090), (20, 884947763), (28, 632105545), (35, 505684436), (70, 252842218), (71, 249281060), (140, 126421109), (142, 124640530), (284, 62320265), (355, 49856212), (497, 35611580), (710, 24928106), (994, 17805790), (1420, 12464053), (1988, 8902895), (2485, 7122316), (4970, 3561158), (9940, 1780579)]