129163160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461297}}^1$

素因数の和:461315

約数の個数: 32

約数和(自身を含む): 332134560

約数和(自身を除く): 202971400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461297, 922594, 1845188, 2306485, 3229079, 3690376, 4612970, 6458158, 9225940, 12916316, 16145395, 18451880, 25832632, 32290790, 64581580, 129163160]

約数ペア:

[(1, 129163160), (2, 64581580), (4, 32290790), (5, 25832632), (7, 18451880), (8, 16145395), (10, 12916316), (14, 9225940), (20, 6458158), (28, 4612970), (35, 3690376), (40, 3229079), (56, 2306485), (70, 1845188), (140, 922594), (280, 461297)]