7284980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1056

約数の個数: 36

約数和(自身を含む): 16162020

約数和(自身を除く): 8877040

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1009, 1444, 1805, 2018, 3610, 4036, 5045, 7220, 10090, 19171, 20180, 38342, 76684, 95855, 191710, 364249, 383420, 728498, 1456996, 1821245, 3642490, 7284980]

約数ペア:

[(1, 7284980), (2, 3642490), (4, 1821245), (5, 1456996), (10, 728498), (19, 383420), (20, 364249), (38, 191710), (76, 95855), (95, 76684), (190, 38342), (361, 20180), (380, 19171), (722, 10090), (1009, 7220), (1444, 5045), (1805, 4036), (2018, 3610)]