221004840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263101}}^1$

素因数の和:263122

約数の個数: 64

約数和(自身を含む): 757733760

約数和(自身を除く): 536728920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 263101, 526202, 789303, 1052404, 1315505, 1578606, 1841707, 2104808, 2631010, 3157212, 3683414, 3946515, 5262020, 5525121, 6314424, 7366828, 7893030, 9208535, 10524040, 11050242, 14733656, 15786060, 18417070, 22100484, 27625605, 31572120, 36834140, 44200968, 55251210, 73668280, 110502420, 221004840]

約数ペア:

[(1, 221004840), (2, 110502420), (3, 73668280), (4, 55251210), (5, 44200968), (6, 36834140), (7, 31572120), (8, 27625605), (10, 22100484), (12, 18417070), (14, 15786060), (15, 14733656), (20, 11050242), (21, 10524040), (24, 9208535), (28, 7893030), (30, 7366828), (35, 6314424), (40, 5525121), (42, 5262020), (56, 3946515), (60, 3683414), (70, 3157212), (84, 2631010), (105, 2104808), (120, 1841707), (140, 1578606), (168, 1315505), (210, 1052404), (280, 789303), (420, 526202), (840, 263101)]