315842540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{8867}}^1$

素因数の和:9026

約数の個数: 48

約数和(自身を含む): 719584992

約数和(自身を除く): 403742452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8867, 8905, 17734, 17810, 35468, 35620, 44335, 88670, 115271, 177340, 230542, 461084, 576355, 1152710, 1214779, 2305420, 2429558, 4859116, 6073895, 12147790, 15792127, 24295580, 31584254, 63168508, 78960635, 157921270, 315842540]

約数ペア:

[(1, 315842540), (2, 157921270), (4, 78960635), (5, 63168508), (10, 31584254), (13, 24295580), (20, 15792127), (26, 12147790), (52, 6073895), (65, 4859116), (130, 2429558), (137, 2305420), (260, 1214779), (274, 1152710), (548, 576355), (685, 461084), (1370, 230542), (1781, 177340), (2740, 115271), (3562, 88670), (7124, 44335), (8867, 35620), (8905, 35468), (17734, 17810)]