12117940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 27896400

約数和(自身を除く): 15778460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1229, 1972, 2458, 2465, 4916, 4930, 6145, 9860, 12290, 20893, 24580, 35641, 41786, 71282, 83572, 104465, 142564, 178205, 208930, 356410, 417860, 605897, 712820, 1211794, 2423588, 3029485, 6058970, 12117940]

約数ペア:

[(1, 12117940), (2, 6058970), (4, 3029485), (5, 2423588), (10, 1211794), (17, 712820), (20, 605897), (29, 417860), (34, 356410), (58, 208930), (68, 178205), (85, 142564), (116, 104465), (145, 83572), (170, 71282), (290, 41786), (340, 35641), (493, 24580), (580, 20893), (986, 12290), (1229, 9860), (1972, 6145), (2458, 4930), (2465, 4916)]