211900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 498232

約数和(自身を除く): 286332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 260, 325, 326, 650, 652, 815, 1300, 1630, 2119, 3260, 4075, 4238, 8150, 8476, 10595, 16300, 21190, 42380, 52975, 105950, 211900]

約数ペア:

[(1, 211900), (2, 105950), (4, 52975), (5, 42380), (10, 21190), (13, 16300), (20, 10595), (25, 8476), (26, 8150), (50, 4238), (52, 4075), (65, 3260), (100, 2119), (130, 1630), (163, 1300), (260, 815), (325, 652), (326, 650)]