139249460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14009}}^1$

素因数の和:14096

約数の個数: 48

約数和(自身を含む): 338929920

約数和(自身を除く): 199680460

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, 14009, 28018, 56036, 70045, 98063, 140090, 196126, 280180, 392252, 490315, 980630, 994639, 1961260, 1989278, 3978556, 4973195, 6962473, 9946390, 13924946, 19892780, 27849892, 34812365, 69624730, 139249460]

約数ペア:

[(1, 139249460), (2, 69624730), (4, 34812365), (5, 27849892), (7, 19892780), (10, 13924946), (14, 9946390), (20, 6962473), (28, 4973195), (35, 3978556), (70, 1989278), (71, 1961260), (140, 994639), (142, 980630), (284, 490315), (355, 392252), (497, 280180), (710, 196126), (994, 140090), (1420, 98063), (1988, 70045), (2485, 56036), (4970, 28018), (9940, 14009)]