266232920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{391519}}^1$

素因数の和:391547

約数の個数: 32

約数和(自身を含む): 634262400

約数和(自身を除く): 368029480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 391519, 783038, 1566076, 1957595, 3132152, 3915190, 6655823, 7830380, 13311646, 15660760, 26623292, 33279115, 53246584, 66558230, 133116460, 266232920]

約数ペア:

[(1, 266232920), (2, 133116460), (4, 66558230), (5, 53246584), (8, 33279115), (10, 26623292), (17, 15660760), (20, 13311646), (34, 7830380), (40, 6655823), (68, 3915190), (85, 3132152), (136, 1957595), (170, 1566076), (340, 783038), (680, 391519)]