131731400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{21247}}^1$

素因数の和:21294

約数の個数: 48

約数和(自身を含む): 316170240

約数和(自身を除く): 184438840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 21247, 42494, 84988, 106235, 169976, 212470, 424940, 531175, 658657, 849880, 1062350, 1317314, 2124700, 2634628, 3293285, 4249400, 5269256, 6586570, 13173140, 16466425, 26346280, 32932850, 65865700, 131731400]

約数ペア:

[(1, 131731400), (2, 65865700), (4, 32932850), (5, 26346280), (8, 16466425), (10, 13173140), (20, 6586570), (25, 5269256), (31, 4249400), (40, 3293285), (50, 2634628), (62, 2124700), (100, 1317314), (124, 1062350), (155, 849880), (200, 658657), (248, 531175), (310, 424940), (620, 212470), (775, 169976), (1240, 106235), (1550, 84988), (3100, 42494), (6200, 21247)]