15497900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 37383024

約数和(自身を除く): 21885124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 193, 220, 275, 292, 365, 386, 550, 730, 772, 803, 965, 1100, 1460, 1606, 1825, 1930, 2123, 3212, 3650, 3860, 4015, 4246, 4825, 7300, 8030, 8492, 9650, 10615, 14089, 16060, 19300, 20075, 21230, 28178, 40150, 42460, 53075, 56356, 70445, 80300, 106150, 140890, 154979, 212300, 281780, 309958, 352225, 619916, 704450, 774895, 1408900, 1549790, 3099580, 3874475, 7748950, 15497900]

約数ペア:

[(1, 15497900), (2, 7748950), (4, 3874475), (5, 3099580), (10, 1549790), (11, 1408900), (20, 774895), (22, 704450), (25, 619916), (44, 352225), (50, 309958), (55, 281780), (73, 212300), (100, 154979), (110, 140890), (146, 106150), (193, 80300), (220, 70445), (275, 56356), (292, 53075), (365, 42460), (386, 40150), (550, 28178), (730, 21230), (772, 20075), (803, 19300), (965, 16060), (1100, 14089), (1460, 10615), (1606, 9650), (1825, 8492), (1930, 8030), (2123, 7300), (3212, 4825), (3650, 4246), (3860, 4015)]