89278920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{247997}}^1$

素因数の和:248014

約数の個数: 48

約数和(自身を含む): 290157660

約数和(自身を除く): 200878740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 247997, 495994, 743991, 991988, 1239985, 1487982, 1983976, 2231973, 2479970, 2975964, 3719955, 4463946, 4959940, 5951928, 7439910, 8927892, 9919880, 11159865, 14879820, 17855784, 22319730, 29759640, 44639460, 89278920]

約数ペア:

[(1, 89278920), (2, 44639460), (3, 29759640), (4, 22319730), (5, 17855784), (6, 14879820), (8, 11159865), (9, 9919880), (10, 8927892), (12, 7439910), (15, 5951928), (18, 4959940), (20, 4463946), (24, 3719955), (30, 2975964), (36, 2479970), (40, 2231973), (45, 1983976), (60, 1487982), (72, 1239985), (90, 991988), (120, 743991), (180, 495994), (360, 247997)]