30452420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 65881200

約数和(自身を除く): 35428780

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 229, 244, 305, 436, 458, 545, 610, 916, 1090, 1145, 1220, 2180, 2290, 4580, 6649, 13298, 13969, 24961, 26596, 27938, 33245, 49922, 55876, 66490, 69845, 99844, 124805, 132980, 139690, 249610, 279380, 499220, 1522621, 3045242, 6090484, 7613105, 15226210, 30452420]

約数ペア:

[(1, 30452420), (2, 15226210), (4, 7613105), (5, 6090484), (10, 3045242), (20, 1522621), (61, 499220), (109, 279380), (122, 249610), (218, 139690), (229, 132980), (244, 124805), (305, 99844), (436, 69845), (458, 66490), (545, 55876), (610, 49922), (916, 33245), (1090, 27938), (1145, 26596), (1220, 24961), (2180, 13969), (2290, 13298), (4580, 6649)]