156798740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1381}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 377053824

約数和(自身を除く): 220255084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1381, 1622, 2762, 3244, 4055, 5524, 5677, 6905, 8110, 9667, 11354, 13810, 16220, 19334, 22708, 27620, 28385, 38668, 48335, 56770, 96670, 113540, 193340, 1119991, 2239982, 4479964, 5599955, 7839937, 11199910, 15679874, 22399820, 31359748, 39199685, 78399370, 156798740]

約数ペア:

[(1, 156798740), (2, 78399370), (4, 39199685), (5, 31359748), (7, 22399820), (10, 15679874), (14, 11199910), (20, 7839937), (28, 5599955), (35, 4479964), (70, 2239982), (140, 1119991), (811, 193340), (1381, 113540), (1622, 96670), (2762, 56770), (3244, 48335), (4055, 38668), (5524, 28385), (5677, 27620), (6905, 22708), (8110, 19334), (9667, 16220), (11354, 13810)]