2160500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 4914000

約数和(自身を除く): 2753500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 149, 250, 290, 298, 500, 580, 596, 725, 745, 1450, 1490, 2900, 2980, 3625, 3725, 4321, 7250, 7450, 8642, 14500, 14900, 17284, 18625, 21605, 37250, 43210, 74500, 86420, 108025, 216050, 432100, 540125, 1080250, 2160500]

約数ペア:

[(1, 2160500), (2, 1080250), (4, 540125), (5, 432100), (10, 216050), (20, 108025), (25, 86420), (29, 74500), (50, 43210), (58, 37250), (100, 21605), (116, 18625), (125, 17284), (145, 14900), (149, 14500), (250, 8642), (290, 7450), (298, 7250), (500, 4321), (580, 3725), (596, 3625), (725, 2980), (745, 2900), (1450, 1490)]