3878163940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199289}}^1$

素因数の和:199444

約数の個数: 48

約数和(自身を含む): 9374601600

約数和(自身を除く): 5496437660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 199289, 398578, 797156, 996445, 1395023, 1992890, 2790046, 3985780, 5580092, 6975115, 13950230, 27701171, 27900460, 55402342, 110804684, 138505855, 193908197, 277011710, 387816394, 554023420, 775632788, 969540985, 1939081970, 3878163940]

約数ペア:

[(1, 3878163940), (2, 1939081970), (4, 969540985), (5, 775632788), (7, 554023420), (10, 387816394), (14, 277011710), (20, 193908197), (28, 138505855), (35, 110804684), (70, 55402342), (139, 27900460), (140, 27701171), (278, 13950230), (556, 6975115), (695, 5580092), (973, 3985780), (1390, 2790046), (1946, 1992890), (2780, 1395023), (3892, 996445), (4865, 797156), (9730, 398578), (19460, 199289)]