219650147140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{2086739}}^1$

素因数の和:2087044

約数の個数: 48

約数和(自身を含む): 487295524800

約数和(自身を除く): 267645377660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 2770, 5263, 5540, 10526, 21052, 26315, 52630, 105260, 2086739, 4173478, 8346956, 10433695, 20867390, 39648041, 41734780, 79296082, 158592164, 198240205, 396480410, 578026703, 792960820, 1156053406, 2312106812, 2890133515, 5780267030, 10982507357, 11560534060, 21965014714, 43930029428, 54912536785, 109825073570, 219650147140]

約数ペア:

[(1, 219650147140), (2, 109825073570), (4, 54912536785), (5, 43930029428), (10, 21965014714), (19, 11560534060), (20, 10982507357), (38, 5780267030), (76, 2890133515), (95, 2312106812), (190, 1156053406), (277, 792960820), (380, 578026703), (554, 396480410), (1108, 198240205), (1385, 158592164), (2770, 79296082), (5263, 41734780), (5540, 39648041), (10526, 20867390), (21052, 10433695), (26315, 8346956), (52630, 4173478), (105260, 2086739)]