87477740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3927

約数の個数: 72

約数和(自身を含む): 223044192

約数和(自身を除く): 135566452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 3881, 4508, 5635, 7762, 11270, 15524, 19405, 22540, 27167, 38810, 54334, 77620, 89263, 108668, 135835, 178526, 190169, 271670, 357052, 380338, 446315, 543340, 624841, 760676, 892630, 950845, 1249682, 1785260, 1901690, 2499364, 3124205, 3803380, 4373887, 6248410, 8747774, 12496820, 17495548, 21869435, 43738870, 87477740]

約数ペア:

[(1, 87477740), (2, 43738870), (4, 21869435), (5, 17495548), (7, 12496820), (10, 8747774), (14, 6248410), (20, 4373887), (23, 3803380), (28, 3124205), (35, 2499364), (46, 1901690), (49, 1785260), (70, 1249682), (92, 950845), (98, 892630), (115, 760676), (140, 624841), (161, 543340), (196, 446315), (230, 380338), (245, 357052), (322, 271670), (460, 190169), (490, 178526), (644, 135835), (805, 108668), (980, 89263), (1127, 77620), (1610, 54334), (2254, 38810), (3220, 27167), (3881, 22540), (4508, 19405), (5635, 15524), (7762, 11270)]