281300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 637980

約数和(自身を除く): 356680

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 97, 100, 116, 145, 194, 290, 388, 485, 580, 725, 970, 1450, 1940, 2425, 2813, 2900, 4850, 5626, 9700, 11252, 14065, 28130, 56260, 70325, 140650, 281300]

約数ペア:

[(1, 281300), (2, 140650), (4, 70325), (5, 56260), (10, 28130), (20, 14065), (25, 11252), (29, 9700), (50, 5626), (58, 4850), (97, 2900), (100, 2813), (116, 2425), (145, 1940), (194, 1450), (290, 970), (388, 725), (485, 580)]