105965720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{378449}}^1$

素因数の和:378467

約数の個数: 32

約数和(自身を含む): 272484000

約数和(自身を除く): 166518280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 378449, 756898, 1513796, 1892245, 2649143, 3027592, 3784490, 5298286, 7568980, 10596572, 13245715, 15137960, 21193144, 26491430, 52982860, 105965720]

約数ペア:

[(1, 105965720), (2, 52982860), (4, 26491430), (5, 21193144), (7, 15137960), (8, 13245715), (10, 10596572), (14, 7568980), (20, 5298286), (28, 3784490), (35, 3027592), (40, 2649143), (56, 1892245), (70, 1513796), (140, 756898), (280, 378449)]