331012220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{214943}}^1$

素因数の和:214970

約数の個数: 48

約数和(自身を含む): 866654208

約数和(自身を除く): 535641988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 214943, 429886, 859772, 1074715, 1504601, 2149430, 2364373, 3009202, 4298860, 4728746, 6018404, 7523005, 9457492, 11821865, 15046010, 16550611, 23643730, 30092020, 33101222, 47287460, 66202444, 82753055, 165506110, 331012220]

約数ペア:

[(1, 331012220), (2, 165506110), (4, 82753055), (5, 66202444), (7, 47287460), (10, 33101222), (11, 30092020), (14, 23643730), (20, 16550611), (22, 15046010), (28, 11821865), (35, 9457492), (44, 7523005), (55, 6018404), (70, 4728746), (77, 4298860), (110, 3009202), (140, 2364373), (154, 2149430), (220, 1504601), (308, 1074715), (385, 859772), (770, 429886), (1540, 214943)]