209220310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 416404800

約数和(自身を除く): 207184490

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 107, 130, 169, 178, 214, 338, 445, 535, 845, 890, 1070, 1157, 1391, 1690, 2197, 2314, 2782, 4394, 5785, 6955, 9523, 10985, 11570, 13910, 15041, 18083, 19046, 21970, 30082, 36166, 47615, 75205, 90415, 95230, 123799, 150410, 180830, 195533, 235079, 247598, 391066, 470158, 618995, 977665, 1175395, 1237990, 1609387, 1955330, 2350790, 3218774, 8046935, 16093870, 20922031, 41844062, 104610155, 209220310]

約数ペア:

[(1, 209220310), (2, 104610155), (5, 41844062), (10, 20922031), (13, 16093870), (26, 8046935), (65, 3218774), (89, 2350790), (107, 1955330), (130, 1609387), (169, 1237990), (178, 1175395), (214, 977665), (338, 618995), (445, 470158), (535, 391066), (845, 247598), (890, 235079), (1070, 195533), (1157, 180830), (1391, 150410), (1690, 123799), (2197, 95230), (2314, 90415), (2782, 75205), (4394, 47615), (5785, 36166), (6955, 30082), (9523, 21970), (10985, 19046), (11570, 18083), (13910, 15041)]