649250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{53}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 1440504

約数和(自身を除く): 791254

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 53, 70, 98, 106, 125, 175, 245, 250, 265, 350, 371, 490, 530, 742, 875, 1225, 1325, 1750, 1855, 2450, 2597, 2650, 3710, 5194, 6125, 6625, 9275, 12250, 12985, 13250, 18550, 25970, 46375, 64925, 92750, 129850, 324625, 649250]

約数ペア:

[(1, 649250), (2, 324625), (5, 129850), (7, 92750), (10, 64925), (14, 46375), (25, 25970), (35, 18550), (49, 13250), (50, 12985), (53, 12250), (70, 9275), (98, 6625), (106, 6125), (125, 5194), (175, 3710), (245, 2650), (250, 2597), (265, 2450), (350, 1855), (371, 1750), (490, 1325), (530, 1225), (742, 875)]