2005697750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49831}}^1$

素因数の和:49878

約数の個数: 64

約数和(自身を含む): 4477704192

約数和(自身を除く): 2472006442

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 575, 805, 875, 1150, 1610, 1750, 2875, 4025, 5750, 8050, 20125, 40250, 49831, 99662, 249155, 348817, 498310, 697634, 1146113, 1245775, 1744085, 2292226, 2491550, 3488170, 5730565, 6228875, 8022791, 8720425, 11461130, 12457750, 16045582, 17440850, 28652825, 40113955, 43602125, 57305650, 80227910, 87204250, 143264125, 200569775, 286528250, 401139550, 1002848875, 2005697750]

約数ペア:

[(1, 2005697750), (2, 1002848875), (5, 401139550), (7, 286528250), (10, 200569775), (14, 143264125), (23, 87204250), (25, 80227910), (35, 57305650), (46, 43602125), (50, 40113955), (70, 28652825), (115, 17440850), (125, 16045582), (161, 12457750), (175, 11461130), (230, 8720425), (250, 8022791), (322, 6228875), (350, 5730565), (575, 3488170), (805, 2491550), (875, 2292226), (1150, 1744085), (1610, 1245775), (1750, 1146113), (2875, 697634), (4025, 498310), (5750, 348817), (8050, 249155), (20125, 99662), (40250, 49831)]