149728880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{267373}}^1$

素因数の和:267393

約数の個数: 40

約数和(自身を含む): 397852512

約数和(自身を除く): 248123632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 267373, 534746, 1069492, 1336865, 1871611, 2138984, 2673730, 3743222, 4277968, 5347460, 7486444, 9358055, 10694920, 14972888, 18716110, 21389840, 29945776, 37432220, 74864440, 149728880]

約数ペア:

[(1, 149728880), (2, 74864440), (4, 37432220), (5, 29945776), (7, 21389840), (8, 18716110), (10, 14972888), (14, 10694920), (16, 9358055), (20, 7486444), (28, 5347460), (35, 4277968), (40, 3743222), (56, 2673730), (70, 2138984), (80, 1871611), (112, 1336865), (140, 1069492), (280, 534746), (560, 267373)]