30632840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15629}}^1$

素因数の和:15654

約数の個数: 48

約数和(自身を含む): 80181900

約数和(自身を除く): 49549060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15629, 31258, 62516, 78145, 109403, 125032, 156290, 218806, 312580, 437612, 547015, 625160, 765821, 875224, 1094030, 1531642, 2188060, 3063284, 3829105, 4376120, 6126568, 7658210, 15316420, 30632840]

約数ペア:

[(1, 30632840), (2, 15316420), (4, 7658210), (5, 6126568), (7, 4376120), (8, 3829105), (10, 3063284), (14, 2188060), (20, 1531642), (28, 1094030), (35, 875224), (40, 765821), (49, 625160), (56, 547015), (70, 437612), (98, 312580), (140, 218806), (196, 156290), (245, 125032), (280, 109403), (392, 78145), (490, 62516), (980, 31258), (1960, 15629)]