139970000

素因数分解:

$2^4\times 5^4\times {\mathrm{13997}}^1$

素因数の和:14025

約数の個数: 50

約数和(自身を含む): 338905578

約数和(自身を除く): 198935578

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 13997, 27994, 55988, 69985, 111976, 139970, 223952, 279940, 349925, 559880, 699850, 1119760, 1399700, 1749625, 2799400, 3499250, 5598800, 6998500, 8748125, 13997000, 17496250, 27994000, 34992500, 69985000, 139970000]

約数ペア:

[(1, 139970000), (2, 69985000), (4, 34992500), (5, 27994000), (8, 17496250), (10, 13997000), (16, 8748125), (20, 6998500), (25, 5598800), (40, 3499250), (50, 2799400), (80, 1749625), (100, 1399700), (125, 1119760), (200, 699850), (250, 559880), (400, 349925), (500, 279940), (625, 223952), (1000, 139970), (1250, 111976), (2000, 69985), (2500, 55988), (5000, 27994), (10000, 13997)]