43970000

素因数分解:

$2^4\times 5^4\times {\mathrm{4397}}^1$

素因数の和:4425

約数の個数: 50

約数和(自身を含む): 106479978

約数和(自身を除く): 62509978

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, 4397, 5000, 8794, 10000, 17588, 21985, 35176, 43970, 70352, 87940, 109925, 175880, 219850, 351760, 439700, 549625, 879400, 1099250, 1758800, 2198500, 2748125, 4397000, 5496250, 8794000, 10992500, 21985000, 43970000]

約数ペア:

[(1, 43970000), (2, 21985000), (4, 10992500), (5, 8794000), (8, 5496250), (10, 4397000), (16, 2748125), (20, 2198500), (25, 1758800), (40, 1099250), (50, 879400), (80, 549625), (100, 439700), (125, 351760), (200, 219850), (250, 175880), (400, 109925), (500, 87940), (625, 70352), (1000, 43970), (1250, 35176), (2000, 21985), (2500, 17588), (4397, 10000), (5000, 8794)]