211232280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251467}}^1$

素因数の和:251488

約数の個数: 64

約数和(自身を含む): 724227840

約数和(自身を除く): 512995560

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, 251467, 502934, 754401, 1005868, 1257335, 1508802, 1760269, 2011736, 2514670, 3017604, 3520538, 3772005, 5029340, 5280807, 6035208, 7041076, 7544010, 8801345, 10058680, 10561614, 14082152, 15088020, 17602690, 21123228, 26404035, 30176040, 35205380, 42246456, 52808070, 70410760, 105616140, 211232280]

約数ペア:

[(1, 211232280), (2, 105616140), (3, 70410760), (4, 52808070), (5, 42246456), (6, 35205380), (7, 30176040), (8, 26404035), (10, 21123228), (12, 17602690), (14, 15088020), (15, 14082152), (20, 10561614), (21, 10058680), (24, 8801345), (28, 7544010), (30, 7041076), (35, 6035208), (40, 5280807), (42, 5029340), (56, 3772005), (60, 3520538), (70, 3017604), (84, 2514670), (105, 2011736), (120, 1760269), (140, 1508802), (168, 1257335), (210, 1005868), (280, 754401), (420, 502934), (840, 251467)]