204414620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11369}}^1$

素因数の和:11438

約数の個数: 48

約数和(自身を含む): 458438400

約数和(自身を除く): 254023780

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 11369, 17980, 22738, 45476, 56845, 113690, 227380, 329701, 352439, 659402, 704878, 1318804, 1409756, 1648505, 1762195, 3297010, 3524390, 6594020, 7048780, 10220731, 20441462, 40882924, 51103655, 102207310, 204414620]

約数ペア:

[(1, 204414620), (2, 102207310), (4, 51103655), (5, 40882924), (10, 20441462), (20, 10220731), (29, 7048780), (31, 6594020), (58, 3524390), (62, 3297010), (116, 1762195), (124, 1648505), (145, 1409756), (155, 1318804), (290, 704878), (310, 659402), (580, 352439), (620, 329701), (899, 227380), (1798, 113690), (3596, 56845), (4495, 45476), (8990, 22738), (11369, 17980)]