140905000

素因数分解:

$2^3\times 5^4\times {\mathrm{28181}}^1$

素因数の和:28207

約数の個数: 40

約数和(自身を含む): 330152130

約数和(自身を除く): 189247130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 28181, 56362, 112724, 140905, 225448, 281810, 563620, 704525, 1127240, 1409050, 2818100, 3522625, 5636200, 7045250, 14090500, 17613125, 28181000, 35226250, 70452500, 140905000]

約数ペア:

[(1, 140905000), (2, 70452500), (4, 35226250), (5, 28181000), (8, 17613125), (10, 14090500), (20, 7045250), (25, 5636200), (40, 3522625), (50, 2818100), (100, 1409050), (125, 1127240), (200, 704525), (250, 563620), (500, 281810), (625, 225448), (1000, 140905), (1250, 112724), (2500, 56362), (5000, 28181)]