89306420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{91129}}^1$

素因数の和:91152

約数の個数: 36

約数和(自身を含む): 218165220

約数和(自身を除く): 128858800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 91129, 182258, 364516, 455645, 637903, 911290, 1275806, 1822580, 2551612, 3189515, 4465321, 6379030, 8930642, 12758060, 17861284, 22326605, 44653210, 89306420]

約数ペア:

[(1, 89306420), (2, 44653210), (4, 22326605), (5, 17861284), (7, 12758060), (10, 8930642), (14, 6379030), (20, 4465321), (28, 3189515), (35, 2551612), (49, 1822580), (70, 1275806), (98, 911290), (140, 637903), (196, 455645), (245, 364516), (490, 182258), (980, 91129)]