7790900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 54

約数和(自身を含む): 18346482

約数和(自身を除く): 10555582

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 461, 650, 676, 845, 922, 1300, 1690, 1844, 2305, 3380, 4225, 4610, 5993, 8450, 9220, 11525, 11986, 16900, 23050, 23972, 29965, 46100, 59930, 77909, 119860, 149825, 155818, 299650, 311636, 389545, 599300, 779090, 1558180, 1947725, 3895450, 7790900]

約数ペア:

[(1, 7790900), (2, 3895450), (4, 1947725), (5, 1558180), (10, 779090), (13, 599300), (20, 389545), (25, 311636), (26, 299650), (50, 155818), (52, 149825), (65, 119860), (100, 77909), (130, 59930), (169, 46100), (260, 29965), (325, 23972), (338, 23050), (461, 16900), (650, 11986), (676, 11525), (845, 9220), (922, 8450), (1300, 5993), (1690, 4610), (1844, 4225), (2305, 3380)]