438778820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{6317}}^1$

素因数の和:6500

約数の個数: 48

約数和(自身を含む): 968018688

約数和(自身を除く): 529239868

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 302, 460, 604, 755, 1510, 3020, 3473, 6317, 6946, 12634, 13892, 17365, 25268, 31585, 34730, 63170, 69460, 126340, 145291, 290582, 581164, 726455, 953867, 1452910, 1907734, 2905820, 3815468, 4769335, 9538670, 19077340, 21938941, 43877882, 87755764, 109694705, 219389410, 438778820]

約数ペア:

[(1, 438778820), (2, 219389410), (4, 109694705), (5, 87755764), (10, 43877882), (20, 21938941), (23, 19077340), (46, 9538670), (92, 4769335), (115, 3815468), (151, 2905820), (230, 1907734), (302, 1452910), (460, 953867), (604, 726455), (755, 581164), (1510, 290582), (3020, 145291), (3473, 126340), (6317, 69460), (6946, 63170), (12634, 34730), (13892, 31585), (17365, 25268)]