71304350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 143917872

約数和(自身を除く): 72613522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 325, 326, 650, 673, 815, 1346, 1630, 2119, 3365, 4075, 4238, 6730, 8150, 8749, 10595, 16825, 17498, 21190, 33650, 43745, 52975, 87490, 105950, 109699, 218725, 219398, 437450, 548495, 1096990, 1426087, 2742475, 2852174, 5484950, 7130435, 14260870, 35652175, 71304350]

約数ペア:

[(1, 71304350), (2, 35652175), (5, 14260870), (10, 7130435), (13, 5484950), (25, 2852174), (26, 2742475), (50, 1426087), (65, 1096990), (130, 548495), (163, 437450), (325, 219398), (326, 218725), (650, 109699), (673, 105950), (815, 87490), (1346, 52975), (1630, 43745), (2119, 33650), (3365, 21190), (4075, 17498), (4238, 16825), (6730, 10595), (8150, 8749)]