30490760

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1409}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 68779800

約数和(自身を除く): 38289040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1409, 2164, 2705, 2818, 4328, 5410, 5636, 7045, 10820, 11272, 14090, 21640, 28180, 56360, 762269, 1524538, 3049076, 3811345, 6098152, 7622690, 15245380, 30490760]

約数ペア:

[(1, 30490760), (2, 15245380), (4, 7622690), (5, 6098152), (8, 3811345), (10, 3049076), (20, 1524538), (40, 762269), (541, 56360), (1082, 28180), (1409, 21640), (2164, 14090), (2705, 11272), (2818, 10820), (4328, 7045), (5410, 5636)]