28568940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2417}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 80432352

約数和(自身を除く): 51863412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2417, 2955, 3940, 4834, 5910, 7251, 9668, 11820, 12085, 14502, 24170, 29004, 36255, 48340, 72510, 145020, 476149, 952298, 1428447, 1904596, 2380745, 2856894, 4761490, 5713788, 7142235, 9522980, 14284470, 28568940]

約数ペア:

[(1, 28568940), (2, 14284470), (3, 9522980), (4, 7142235), (5, 5713788), (6, 4761490), (10, 2856894), (12, 2380745), (15, 1904596), (20, 1428447), (30, 952298), (60, 476149), (197, 145020), (394, 72510), (591, 48340), (788, 36255), (985, 29004), (1182, 24170), (1970, 14502), (2364, 12085), (2417, 11820), (2955, 9668), (3940, 7251), (4834, 5910)]