78868780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231967}}^1$

素因数の和:231993

約数の個数: 24

約数和(自身を含む): 175367808

約数和(自身を除く): 96499028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 231967, 463934, 927868, 1159835, 2319670, 3943439, 4639340, 7886878, 15773756, 19717195, 39434390, 78868780]

約数ペア:

[(1, 78868780), (2, 39434390), (4, 19717195), (5, 15773756), (10, 7886878), (17, 4639340), (20, 3943439), (34, 2319670), (68, 1159835), (85, 927868), (170, 463934), (340, 231967)]