221885580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{528299}}^1$

素因数の和:528318

約数の個数: 48

約数和(自身を含む): 710035200

約数和(自身を除く): 488149620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 528299, 1056598, 1584897, 2113196, 2641495, 3169794, 3698093, 5282990, 6339588, 7396186, 7924485, 10565980, 11094279, 14792372, 15848970, 18490465, 22188558, 31697940, 36980930, 44377116, 55471395, 73961860, 110942790, 221885580]

約数ペア:

[(1, 221885580), (2, 110942790), (3, 73961860), (4, 55471395), (5, 44377116), (6, 36980930), (7, 31697940), (10, 22188558), (12, 18490465), (14, 15848970), (15, 14792372), (20, 11094279), (21, 10565980), (28, 7924485), (30, 7396186), (35, 6339588), (42, 5282990), (60, 3698093), (70, 3169794), (84, 2641495), (105, 2113196), (140, 1584897), (210, 1056598), (420, 528299)]