149885720

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{3079}}^1$

素因数の和:4307

約数の個数: 32

約数和(自身を含む): 337629600

約数和(自身を除く): 187743880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 2434, 3079, 4868, 6085, 6158, 9736, 12170, 12316, 15395, 24340, 24632, 30790, 48680, 61580, 123160, 3747143, 7494286, 14988572, 18735715, 29977144, 37471430, 74942860, 149885720]

約数ペア:

[(1, 149885720), (2, 74942860), (4, 37471430), (5, 29977144), (8, 18735715), (10, 14988572), (20, 7494286), (40, 3747143), (1217, 123160), (2434, 61580), (3079, 48680), (4868, 30790), (6085, 24632), (6158, 24340), (9736, 15395), (12170, 12316)]