305729580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391961}}^1$

素因数の和:391986

約数の個数: 48

約数和(自身を含む): 921894624

約数和(自身を除く): 616165044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 391961, 783922, 1175883, 1567844, 1959805, 2351766, 3919610, 4703532, 5095493, 5879415, 7839220, 10190986, 11758830, 15286479, 20381972, 23517660, 25477465, 30572958, 50954930, 61145916, 76432395, 101909860, 152864790, 305729580]

約数ペア:

[(1, 305729580), (2, 152864790), (3, 101909860), (4, 76432395), (5, 61145916), (6, 50954930), (10, 30572958), (12, 25477465), (13, 23517660), (15, 20381972), (20, 15286479), (26, 11758830), (30, 10190986), (39, 7839220), (52, 5879415), (60, 5095493), (65, 4703532), (78, 3919610), (130, 2351766), (156, 1959805), (195, 1567844), (260, 1175883), (390, 783922), (780, 391961)]