38094340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 82131840

約数和(自身を除く): 44037500

約数列:

[1, 2, 4, 5, 10, 20, 71, 139, 142, 193, 278, 284, 355, 386, 556, 695, 710, 772, 965, 1390, 1420, 1930, 2780, 3860, 9869, 13703, 19738, 26827, 27406, 39476, 49345, 53654, 54812, 68515, 98690, 107308, 134135, 137030, 197380, 268270, 274060, 536540, 1904717, 3809434, 7618868, 9523585, 19047170, 38094340]

約数ペア:

[(1, 38094340), (2, 19047170), (4, 9523585), (5, 7618868), (10, 3809434), (20, 1904717), (71, 536540), (139, 274060), (142, 268270), (193, 197380), (278, 137030), (284, 134135), (355, 107308), (386, 98690), (556, 68515), (695, 54812), (710, 53654), (772, 49345), (965, 39476), (1390, 27406), (1420, 26827), (1930, 19738), (2780, 13703), (3860, 9869)]