804941620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1871}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 1971889920

約数和(自身を除く): 1166948300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 878, 980, 1756, 1871, 2195, 3073, 3742, 4390, 6146, 7484, 8780, 9355, 12292, 13097, 15365, 18710, 21511, 26194, 30730, 37420, 43022, 52388, 61460, 65485, 86044, 91679, 107555, 130970, 183358, 215110, 261940, 366716, 430220, 458395, 821369, 916790, 1642738, 1833580, 3285476, 4106845, 5749583, 8213690, 11499166, 16427380, 22998332, 28747915, 40247081, 57495830, 80494162, 114991660, 160988324, 201235405, 402470810, 804941620]

約数ペア:

[(1, 804941620), (2, 402470810), (4, 201235405), (5, 160988324), (7, 114991660), (10, 80494162), (14, 57495830), (20, 40247081), (28, 28747915), (35, 22998332), (49, 16427380), (70, 11499166), (98, 8213690), (140, 5749583), (196, 4106845), (245, 3285476), (439, 1833580), (490, 1642738), (878, 916790), (980, 821369), (1756, 458395), (1871, 430220), (2195, 366716), (3073, 261940), (3742, 215110), (4390, 183358), (6146, 130970), (7484, 107555), (8780, 91679), (9355, 86044), (12292, 65485), (13097, 61460), (15365, 52388), (18710, 43022), (21511, 37420), (26194, 30730)]