206890380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8269}}^1$

素因数の和:8423

約数の個数: 72

約数和(自身を含む): 632158800

約数和(自身を除く): 425268420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8269, 8340, 12510, 16538, 24807, 25020, 33076, 41345, 49614, 74421, 82690, 99228, 124035, 148842, 165380, 248070, 297684, 372105, 496140, 744210, 1149391, 1488420, 2298782, 3448173, 4597564, 5746955, 6896346, 10344519, 11493910, 13792692, 17240865, 20689038, 22987820, 34481730, 41378076, 51722595, 68963460, 103445190, 206890380]

約数ペア:

[(1, 206890380), (2, 103445190), (3, 68963460), (4, 51722595), (5, 41378076), (6, 34481730), (9, 22987820), (10, 20689038), (12, 17240865), (15, 13792692), (18, 11493910), (20, 10344519), (30, 6896346), (36, 5746955), (45, 4597564), (60, 3448173), (90, 2298782), (139, 1488420), (180, 1149391), (278, 744210), (417, 496140), (556, 372105), (695, 297684), (834, 248070), (1251, 165380), (1390, 148842), (1668, 124035), (2085, 99228), (2502, 82690), (2780, 74421), (4170, 49614), (5004, 41345), (6255, 33076), (8269, 25020), (8340, 24807), (12510, 16538)]