4928940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 15135120

約数和(自身を除く): 10206180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 197, 278, 394, 417, 556, 591, 695, 788, 834, 985, 1182, 1251, 1390, 1668, 1773, 1970, 2085, 2364, 2502, 2780, 2955, 3546, 3940, 4170, 5004, 5910, 6255, 7092, 8340, 8865, 11820, 12510, 17730, 25020, 27383, 35460, 54766, 82149, 109532, 136915, 164298, 246447, 273830, 328596, 410745, 492894, 547660, 821490, 985788, 1232235, 1642980, 2464470, 4928940]

約数ペア:

[(1, 4928940), (2, 2464470), (3, 1642980), (4, 1232235), (5, 985788), (6, 821490), (9, 547660), (10, 492894), (12, 410745), (15, 328596), (18, 273830), (20, 246447), (30, 164298), (36, 136915), (45, 109532), (60, 82149), (90, 54766), (139, 35460), (180, 27383), (197, 25020), (278, 17730), (394, 12510), (417, 11820), (556, 8865), (591, 8340), (695, 7092), (788, 6255), (834, 5910), (985, 5004), (1182, 4170), (1251, 3940), (1390, 3546), (1668, 2955), (1773, 2780), (1970, 2502), (2085, 2364)]