28518630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1133

約数の個数: 64

約数和(自身を含む): 78865920

約数和(自身を除く): 50347290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 977, 1390, 1946, 1954, 2085, 2919, 2931, 4170, 4865, 4885, 5838, 5862, 6839, 9730, 9770, 13678, 14595, 14655, 20517, 29190, 29310, 34195, 41034, 68390, 102585, 135803, 205170, 271606, 407409, 679015, 814818, 950621, 1358030, 1901242, 2037045, 2851863, 4074090, 4753105, 5703726, 9506210, 14259315, 28518630]

約数ペア:

[(1, 28518630), (2, 14259315), (3, 9506210), (5, 5703726), (6, 4753105), (7, 4074090), (10, 2851863), (14, 2037045), (15, 1901242), (21, 1358030), (30, 950621), (35, 814818), (42, 679015), (70, 407409), (105, 271606), (139, 205170), (210, 135803), (278, 102585), (417, 68390), (695, 41034), (834, 34195), (973, 29310), (977, 29190), (1390, 20517), (1946, 14655), (1954, 14595), (2085, 13678), (2919, 9770), (2931, 9730), (4170, 6839), (4865, 5862), (4885, 5838)]