218269380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1021}}^1$

素因数の和:1549

約数の個数: 96

約数和(自身を含む): 700519680

約数和(自身を除く): 482250300

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, 509, 1018, 1021, 1527, 2036, 2042, 2545, 3054, 3063, 3563, 4084, 5090, 5105, 6108, 6126, 7126, 7147, 7635, 10180, 10210, 10689, 12252, 14252, 14294, 15270, 15315, 17815, 20420, 21378, 21441, 28588, 30540, 30630, 35630, 35735, 42756, 42882, 53445, 61260, 71260, 71470, 85764, 106890, 107205, 142940, 213780, 214410, 428820, 519689, 1039378, 1559067, 2078756, 2598445, 3118134, 3637823, 5196890, 6236268, 7275646, 7795335, 10393780, 10913469, 14551292, 15590670, 18189115, 21826938, 31181340, 36378230, 43653876, 54567345, 72756460, 109134690, 218269380]

約数ペア:

[(1, 218269380), (2, 109134690), (3, 72756460), (4, 54567345), (5, 43653876), (6, 36378230), (7, 31181340), (10, 21826938), (12, 18189115), (14, 15590670), (15, 14551292), (20, 10913469), (21, 10393780), (28, 7795335), (30, 7275646), (35, 6236268), (42, 5196890), (60, 3637823), (70, 3118134), (84, 2598445), (105, 2078756), (140, 1559067), (210, 1039378), (420, 519689), (509, 428820), (1018, 214410), (1021, 213780), (1527, 142940), (2036, 107205), (2042, 106890), (2545, 85764), (3054, 71470), (3063, 71260), (3563, 61260), (4084, 53445), (5090, 42882), (5105, 42756), (6108, 35735), (6126, 35630), (7126, 30630), (7147, 30540), (7635, 28588), (10180, 21441), (10210, 21378), (10689, 20420), (12252, 17815), (14252, 15315), (14294, 15270)]