128962540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15101}}^1$

素因数の和:15178

約数の個数: 48

約数和(自身を含む): 314604864

約数和(自身を除く): 185642324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 15101, 30202, 60404, 75505, 105707, 151010, 211414, 302020, 422828, 528535, 921161, 1057070, 1842322, 2114140, 3684644, 4605805, 6448127, 9211610, 12896254, 18423220, 25792508, 32240635, 64481270, 128962540]

約数ペア:

[(1, 128962540), (2, 64481270), (4, 32240635), (5, 25792508), (7, 18423220), (10, 12896254), (14, 9211610), (20, 6448127), (28, 4605805), (35, 3684644), (61, 2114140), (70, 1842322), (122, 1057070), (140, 921161), (244, 528535), (305, 422828), (427, 302020), (610, 211414), (854, 151010), (1220, 105707), (1708, 75505), (2135, 60404), (4270, 30202), (8540, 15101)]