878904860

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{104383}}^1$

素因数の和:104813

約数の個数: 24

約数和(自身を含む): 1850102016

約数和(自身を除く): 971197156

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 104383, 208766, 417532, 521915, 1043830, 2087660, 43945243, 87890486, 175780972, 219726215, 439452430, 878904860]

約数ペア:

[(1, 878904860), (2, 439452430), (4, 219726215), (5, 175780972), (10, 87890486), (20, 43945243), (421, 2087660), (842, 1043830), (1684, 521915), (2105, 417532), (4210, 208766), (8420, 104383)]