809168380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{35521}}^1$

素因数の和:35614

約数の個数: 48

約数和(自身を含む): 1826114976

約数和(自身を除く): 1016946596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 22780, 35521, 71042, 142084, 177605, 355210, 603857, 710420, 1207714, 2379907, 2415428, 3019285, 4759814, 6038570, 9519628, 11899535, 12077140, 23799070, 40458419, 47598140, 80916838, 161833676, 202292095, 404584190, 809168380]

約数ペア:

[(1, 809168380), (2, 404584190), (4, 202292095), (5, 161833676), (10, 80916838), (17, 47598140), (20, 40458419), (34, 23799070), (67, 12077140), (68, 11899535), (85, 9519628), (134, 6038570), (170, 4759814), (268, 3019285), (335, 2415428), (340, 2379907), (670, 1207714), (1139, 710420), (1340, 603857), (2278, 355210), (4556, 177605), (5695, 142084), (11390, 71042), (22780, 35521)]