214970620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1319}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 469022400

約数和(自身を除く): 254051780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 562, 580, 1124, 1319, 1405, 2638, 2810, 5276, 5620, 6595, 8149, 13190, 16298, 26380, 32596, 38251, 40745, 76502, 81490, 153004, 162980, 191255, 370639, 382510, 741278, 765020, 1482556, 1853195, 3706390, 7412780, 10748531, 21497062, 42994124, 53742655, 107485310, 214970620]

約数ペア:

[(1, 214970620), (2, 107485310), (4, 53742655), (5, 42994124), (10, 21497062), (20, 10748531), (29, 7412780), (58, 3706390), (116, 1853195), (145, 1482556), (281, 765020), (290, 741278), (562, 382510), (580, 370639), (1124, 191255), (1319, 162980), (1405, 153004), (2638, 81490), (2810, 76502), (5276, 40745), (5620, 38251), (6595, 32596), (8149, 26380), (13190, 16298)]