78395800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{55997}}^1$

素因数の和:56020

約数の個数: 48

約数和(自身を含む): 208312560

約数和(自身を除く): 129916760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 55997, 111994, 223988, 279985, 391979, 447976, 559970, 783958, 1119940, 1399925, 1567916, 1959895, 2239880, 2799850, 3135832, 3919790, 5599700, 7839580, 9799475, 11199400, 15679160, 19598950, 39197900, 78395800]

約数ペア:

[(1, 78395800), (2, 39197900), (4, 19598950), (5, 15679160), (7, 11199400), (8, 9799475), (10, 7839580), (14, 5599700), (20, 3919790), (25, 3135832), (28, 2799850), (35, 2239880), (40, 1959895), (50, 1567916), (56, 1399925), (70, 1119940), (100, 783958), (140, 559970), (175, 447976), (200, 391979), (280, 279985), (350, 223988), (700, 111994), (1400, 55997)]