318500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1$

素因数の和:46

約数の個数: 72

約数和(自身を含む): 871416

約数和(自身を除く): 552916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 175, 182, 196, 245, 250, 260, 325, 350, 364, 455, 490, 500, 637, 650, 700, 875, 910, 980, 1225, 1274, 1300, 1625, 1750, 1820, 2275, 2450, 2548, 3185, 3250, 3500, 4550, 4900, 6125, 6370, 6500, 9100, 11375, 12250, 12740, 15925, 22750, 24500, 31850, 45500, 63700, 79625, 159250, 318500]

約数ペア:

[(1, 318500), (2, 159250), (4, 79625), (5, 63700), (7, 45500), (10, 31850), (13, 24500), (14, 22750), (20, 15925), (25, 12740), (26, 12250), (28, 11375), (35, 9100), (49, 6500), (50, 6370), (52, 6125), (65, 4900), (70, 4550), (91, 3500), (98, 3250), (100, 3185), (125, 2548), (130, 2450), (140, 2275), (175, 1820), (182, 1750), (196, 1625), (245, 1300), (250, 1274), (260, 1225), (325, 980), (350, 910), (364, 875), (455, 700), (490, 650), (500, 637)]