28750420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75659}}^1$

素因数の和:75687

約数の個数: 24

約数和(自身を含む): 63554400

約数和(自身を除く): 34803980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75659, 151318, 302636, 378295, 756590, 1437521, 1513180, 2875042, 5750084, 7187605, 14375210, 28750420]

約数ペア:

[(1, 28750420), (2, 14375210), (4, 7187605), (5, 5750084), (10, 2875042), (19, 1513180), (20, 1437521), (38, 756590), (76, 378295), (95, 302636), (190, 151318), (380, 75659)]