989856520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{1213}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 2328549120

約数和(自身を除く): 1338692600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 887, 920, 1213, 1774, 2426, 3548, 4435, 4852, 6065, 7096, 8870, 9704, 12130, 17740, 20401, 24260, 27899, 35480, 40802, 48520, 55798, 81604, 102005, 111596, 139495, 163208, 204010, 223192, 278990, 408020, 557980, 816040, 1075931, 1115960, 2151862, 4303724, 5379655, 8607448, 10759310, 21518620, 24746413, 43037240, 49492826, 98985652, 123732065, 197971304, 247464130, 494928260, 989856520]

約数ペア:

[(1, 989856520), (2, 494928260), (4, 247464130), (5, 197971304), (8, 123732065), (10, 98985652), (20, 49492826), (23, 43037240), (40, 24746413), (46, 21518620), (92, 10759310), (115, 8607448), (184, 5379655), (230, 4303724), (460, 2151862), (887, 1115960), (920, 1075931), (1213, 816040), (1774, 557980), (2426, 408020), (3548, 278990), (4435, 223192), (4852, 204010), (6065, 163208), (7096, 139495), (8870, 111596), (9704, 102005), (12130, 81604), (17740, 55798), (20401, 48520), (24260, 40802), (27899, 35480)]